Home / 20,167.19-30,248.66-5,377.61

Finding the Fourth Proportional to 20,167.19, 30,248.66 and 5,377.61

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Solution

The fourth proportional to 20,167.19, 30,248.66 and 5,377.61 is: 8,065.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,167.19 : 30,248.66 = 5,377.61 : x
  2. Step 2: Convert to fraction form
    20,167.19/30,248.66 = 5,377.61/x
  3. Step 3: Cross multiply
    20,167.19x = 30,248.66 × 5,377.61
  4. Step 4: Simplify right side
    20,167.19x = 162,665,385.17
  5. Step 5: Solve for x
    x = 162,665,385.17/20,167.19
  6. Step 6: Final answer
    x = 8,065.84

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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.