Home / 20,001.56-30,008.82-9,614.12

Finding the Fourth Proportional to 20,001.56, 30,008.82 and 9,614.12

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Solution

The fourth proportional to 20,001.56, 30,008.82 and 9,614.12 is: 14,424.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.56 : 30,008.82 = 9,614.12 : x
  2. Step 2: Convert to fraction form
    20,001.56/30,008.82 = 9,614.12/x
  3. Step 3: Cross multiply
    20,001.56x = 30,008.82 × 9,614.12
  4. Step 4: Simplify right side
    20,001.56x = 288,508,396.54
  5. Step 5: Solve for x
    x = 288,508,396.54/20,001.56
  6. Step 6: Final answer
    x = 14,424.29

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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.