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Finding the Fourth Proportional to 9,359.70, 14,039.55 and 9,294.90

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Solution

The fourth proportional to 9,359.70, 14,039.55 and 9,294.90 is: 13,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,359.70 : 14,039.55 = 9,294.90 : x
  2. Step 2: Convert to fraction form
    9,359.70/14,039.55 = 9,294.90/x
  3. Step 3: Cross multiply
    9,359.70x = 14,039.55 × 9,294.90
  4. Step 4: Simplify right side
    9,359.70x = 130,496,213.30
  5. Step 5: Solve for x
    x = 130,496,213.30/9,359.70
  6. Step 6: Final answer
    x = 13,942.35

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Similar ratio
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1.5x scale

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.