The forth proportional to 1,2,3 is?
Choose the correct answer:
A) 2
B) 4
C) 8
D) 9
E) 6
Let the fourth proportional to 1,2,3 be x   then 1:2::3:x   1x = 2*3= 
<gadget id="calculator">2*3</gadget>
<output>6</output>
6   Answer is 6
<result>E</result>
The forth proportional to 1,2,3 is?