Home / 20,251.88-30,369.50-6,397.16

Finding the Fourth Proportional to 20,251.88, 30,369.50 and 6,397.16

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Solution

The fourth proportional to 20,251.88, 30,369.50 and 6,397.16 is: 9,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.88 : 30,369.50 = 6,397.16 : x
  2. Step 2: Convert to fraction form
    20,251.88/30,369.50 = 6,397.16/x
  3. Step 3: Cross multiply
    20,251.88x = 30,369.50 × 6,397.16
  4. Step 4: Simplify right side
    20,251.88x = 194,278,550.62
  5. Step 5: Solve for x
    x = 194,278,550.62/20,251.88
  6. Step 6: Final answer
    x = 9,593.11

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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.