Question

Find the fourth proportional of 4,5 and 16​

Answer 1

Answer:

20

Step-by-step explanation:

Let the fourth proportional to 4, 5, 16 be x

Then, 4:5::16:x

⇒4×x=5×16

⇒x=80/4=20

∴ Fourth proportional to 4, 5,16 is 20

Answer 2

Answer:

The fourth proportional is 20.

Explanation:

Let the fourth proportional is x

From the question, we have

4:5::16:x

$4:5 = 16:x\\\frac{4}{5} =\frac{16}{x} \\4*x = 80\\x = 20$

The fourth proportional is 20.

Multiplication:

Mathematicians multiply the numbers to find the sum of two or more. It is a fundamental mathematical operation that is frequently employed in daily life. When we need to combine groups of similar sizes, we multiply. The fundamental concept of continuously adding the same number is represented by multiplication. The product of two or more numbers is the result of the multiplication of the factors, which are the amounts being multiplied. It is easier to continually add the same number after the numbers have been multiplied.

To learn more about multiplication visit:

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