The forth proportional to 4,6,8 is?
Choose the correct choice from the following answers.
A) 12  B) 15  C) 16  D) 18  E) 20
Let the fourth proportional to 4,6,8 be x   then 4:6::8:x   4x = 6*8   x = 12   12nswer is 12
<result>A</result>
The forth proportional to 4,6,8 is?