Question

What is the value of x in the proportion
x/4 =9/15​

Answer 1

x = 2.4.

Explanation:

x / 4 = 9 / 15

x / 4 = 3/ 5

Cross multiply:

5x = 3 * 4

x = 12/5

= 2.4.

Answer 2

2.4

Explanation:

9/15 = .6

.6 x 4 = 2.4