Finding the Fourth Proportional to 14,135.28, 21,197.52 and 6,734.08
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Solution
The fourth proportional to 14,135.28, 21,197.52 and 6,734.08 is: 10,098.55
Step by Step Solution
- Step 1: Write the proportion equation
14,135.28 : 21,197.52 = 6,734.08 : x - Step 2: Convert to fraction form
14,135.28/21,197.52 = 6,734.08/x - Step 3: Cross multiply
14,135.28x = 21,197.52 × 6,734.08 - Step 4: Simplify right side
14,135.28x = 142,745,795.48 - Step 5: Solve for x
x = 142,745,795.48/14,135.28 - Step 6: Final answer
x = 10,098.55
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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.