Home / 10,819.47-16,229.94-6,383.61

Finding the Fourth Proportional to 10,819.47, 16,229.94 and 6,383.61

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Solution

The fourth proportional to 10,819.47, 16,229.94 and 6,383.61 is: 9,575.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.47 : 16,229.94 = 6,383.61 : x
  2. Step 2: Convert to fraction form
    10,819.47/16,229.94 = 6,383.61/x
  3. Step 3: Cross multiply
    10,819.47x = 16,229.94 × 6,383.61
  4. Step 4: Simplify right side
    10,819.47x = 103,605,631.90
  5. Step 5: Solve for x
    x = 103,605,631.90/10,819.47
  6. Step 6: Final answer
    x = 9,575.86

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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.