Home / 20,344.92-30,517.44-8,649.96

Finding the Fourth Proportional to 20,344.92, 30,517.44 and 8,649.96

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Solution

The fourth proportional to 20,344.92, 30,517.44 and 8,649.96 is: 12,974.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,344.92 : 30,517.44 = 8,649.96 : x
  2. Step 2: Convert to fraction form
    20,344.92/30,517.44 = 8,649.96/x
  3. Step 3: Cross multiply
    20,344.92x = 30,517.44 × 8,649.96
  4. Step 4: Simplify right side
    20,344.92x = 263,974,635.30
  5. Step 5: Solve for x
    x = 263,974,635.30/20,344.92
  6. Step 6: Final answer
    x = 12,974.97

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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.