Home / 10,834.48-16,234.66-8,375.32

Finding the Fourth Proportional to 10,834.48, 16,234.66 and 8,375.32

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Solution

The fourth proportional to 10,834.48, 16,234.66 and 8,375.32 is: 12,549.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,834.48 : 16,234.66 = 8,375.32 : x
  2. Step 2: Convert to fraction form
    10,834.48/16,234.66 = 8,375.32/x
  3. Step 3: Cross multiply
    10,834.48x = 16,234.66 × 8,375.32
  4. Step 4: Simplify right side
    10,834.48x = 135,970,472.59
  5. Step 5: Solve for x
    x = 135,970,472.59/10,834.48
  6. Step 6: Final answer
    x = 12,549.79

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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.