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Finding the Fourth Proportional to 10,404.02, 14,356.22 and 6,372.65

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Solution

The fourth proportional to 10,404.02, 14,356.22 and 6,372.65 is: 8,793.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,404.02 : 14,356.22 = 6,372.65 : x
  2. Step 2: Convert to fraction form
    10,404.02/14,356.22 = 6,372.65/x
  3. Step 3: Cross multiply
    10,404.02x = 14,356.22 × 6,372.65
  4. Step 4: Simplify right side
    10,404.02x = 91,487,061.74
  5. Step 5: Solve for x
    x = 91,487,061.74/10,404.02
  6. Step 6: Final answer
    x = 8,793.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.