Home / 22,478.89-33,725.03-9,997.20

Finding the Fourth Proportional to 22,478.89, 33,725.03 and 9,997.20

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Solution

The fourth proportional to 22,478.89, 33,725.03 and 9,997.20 is: 14,998.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,478.89 : 33,725.03 = 9,997.20 : x
  2. Step 2: Convert to fraction form
    22,478.89/33,725.03 = 9,997.20/x
  3. Step 3: Cross multiply
    22,478.89x = 33,725.03 × 9,997.20
  4. Step 4: Simplify right side
    22,478.89x = 337,155,869.92
  5. Step 5: Solve for x
    x = 337,155,869.92/22,478.89
  6. Step 6: Final answer
    x = 14,998.78

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Double scale
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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.