Home / 20,249.44-30,377.28-8,565.76

Finding the Fourth Proportional to 20,249.44, 30,377.28 and 8,565.76

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Solution

The fourth proportional to 20,249.44, 30,377.28 and 8,565.76 is: 12,849.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,249.44 : 30,377.28 = 8,565.76 : x
  2. Step 2: Convert to fraction form
    20,249.44/30,377.28 = 8,565.76/x
  3. Step 3: Cross multiply
    20,249.44x = 30,377.28 × 8,565.76
  4. Step 4: Simplify right side
    20,249.44x = 260,204,489.93
  5. Step 5: Solve for x
    x = 260,204,489.93/20,249.44
  6. Step 6: Final answer
    x = 12,849.96

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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.