Question

19) Find the fourth proportional to 9, 12, 18​

Answer 1

Answer:

hope it helps you!!!!!!

Answer 2

Answer:

Step-by-step explanation:

Let the $4^{th}$ proportional be x

= 9:12::18:x

= 9*x = 12*18

= 9x = 216

= x = 216/9

= x = 24

∴ $4^{th}$proportional is 24.