Home / 20,934.05-31,401.07-9,832.59

Finding the Fourth Proportional to 20,934.05, 31,401.07 and 9,832.59

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Solution

The fourth proportional to 20,934.05, 31,401.07 and 9,832.59 is: 14,748.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,934.05 : 31,401.07 = 9,832.59 : x
  2. Step 2: Convert to fraction form
    20,934.05/31,401.07 = 9,832.59/x
  3. Step 3: Cross multiply
    20,934.05x = 31,401.07 × 9,832.59
  4. Step 4: Simplify right side
    20,934.05x = 308,753,822.29
  5. Step 5: Solve for x
    x = 308,753,822.29/20,934.05
  6. Step 6: Final answer
    x = 14,748.89

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Similar ratio
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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.