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Finding the Fourth Proportional to 8,337.52, 12,515.09 and 8,149.28

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Solution

The fourth proportional to 8,337.52, 12,515.09 and 8,149.28 is: 12,232.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,337.52 : 12,515.09 = 8,149.28 : x
  2. Step 2: Convert to fraction form
    8,337.52/12,515.09 = 8,149.28/x
  3. Step 3: Cross multiply
    8,337.52x = 12,515.09 × 8,149.28
  4. Step 4: Simplify right side
    8,337.52x = 101,988,972.64
  5. Step 5: Solve for x
    x = 101,988,972.64/8,337.52
  6. Step 6: Final answer
    x = 12,232.53

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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.