Finding the Fourth Proportional to 13,708.44, 20,571.17 and 6,313.95
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Solution
The fourth proportional to 13,708.44, 20,571.17 and 6,313.95 is: 9,474.84
Step by Step Solution
- Step 1: Write the proportion equation
13,708.44 : 20,571.17 = 6,313.95 : x - Step 2: Convert to fraction form
13,708.44/20,571.17 = 6,313.95/x - Step 3: Cross multiply
13,708.44x = 20,571.17 × 6,313.95 - Step 4: Simplify right side
13,708.44x = 129,885,307.25 - Step 5: Solve for x
x = 129,885,307.25/13,708.44 - Step 6: Final answer
x = 9,474.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.