Home / 20,575.14-30,857.85-9,474.90

Finding the Fourth Proportional to 20,575.14, 30,857.85 and 9,474.90

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Solution

The fourth proportional to 20,575.14, 30,857.85 and 9,474.90 is: 14,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,575.14 : 30,857.85 = 9,474.90 : x
  2. Step 2: Convert to fraction form
    20,575.14/30,857.85 = 9,474.90/x
  3. Step 3: Cross multiply
    20,575.14x = 30,857.85 × 9,474.90
  4. Step 4: Simplify right side
    20,575.14x = 292,375,042.97
  5. Step 5: Solve for x
    x = 292,375,042.97/20,575.14
  6. Step 6: Final answer
    x = 14,210.11

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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.