Home / 20,217.62-30,332.56-10,363.88

Finding the Fourth Proportional to 20,217.62, 30,332.56 and 10,363.88

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Solution

The fourth proportional to 20,217.62, 30,332.56 and 10,363.88 is: 15,548.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,217.62 : 30,332.56 = 10,363.88 : x
  2. Step 2: Convert to fraction form
    20,217.62/30,332.56 = 10,363.88/x
  3. Step 3: Cross multiply
    20,217.62x = 30,332.56 × 10,363.88
  4. Step 4: Simplify right side
    20,217.62x = 314,363,011.93
  5. Step 5: Solve for x
    x = 314,363,011.93/20,217.62
  6. Step 6: Final answer
    x = 15,548.96

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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.