Question

find the fourth term of the proportion whose first three terms are 9,8,18​

Answer 1

Answer:

Let the fourth term be x

Now,

9:8::18:x

9/8 = 18/x (on cross multiplication)

9 * x = 18 * 8

9x = 144

X = 144/9

X = 16

Therefore, the fourth term of the proportion is 16

Answer 2

ANSWER

9,8,18

product of means=product of extremes

8 : 18 :: 9 : x

LET'S SLOVE

8 : 18 :: 9 : x

8/18 , 9/x {they are in fraction}

X= 8×18

9. {reduce them}

x=16

.

. .16 is the required..

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