Question

If first three terms of a proportion are 5, 15,4 find the fourth term

Answer 1

Answer:

let the fourth term be x

5:15::4:x

5/15 =4/x

x=4×15/5

x=4×3

x=12

ans- x is equal to 12

means fourth term is 12

Answer 2

Answer:

Let the fourth term of proportion be x

So / we get ,

5/15 = 4/x

Or , 15×4 = x

60/5x

x = 60/5

x= 12

Hence , the forth term of proportion is 12 .

Step-by-step explanation:

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