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Finding the Fourth Proportional to 22,149.08, 33,229.24 and 7,358.08

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Solution

The fourth proportional to 22,149.08, 33,229.24 and 7,358.08 is: 11,038.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,149.08 : 33,229.24 = 7,358.08 : x
  2. Step 2: Convert to fraction form
    22,149.08/33,229.24 = 7,358.08/x
  3. Step 3: Cross multiply
    22,149.08x = 33,229.24 × 7,358.08
  4. Step 4: Simplify right side
    22,149.08x = 244,503,406.26
  5. Step 5: Solve for x
    x = 244,503,406.26/22,149.08
  6. Step 6: Final answer
    x = 11,038.99

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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.