Home / 22,239.56-33,372.50-8,209.36

Finding the Fourth Proportional to 22,239.56, 33,372.50 and 8,209.36

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Solution

The fourth proportional to 22,239.56, 33,372.50 and 8,209.36 is: 12,318.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,239.56 : 33,372.50 = 8,209.36 : x
  2. Step 2: Convert to fraction form
    22,239.56/33,372.50 = 8,209.36/x
  3. Step 3: Cross multiply
    22,239.56x = 33,372.50 × 8,209.36
  4. Step 4: Simplify right side
    22,239.56x = 273,966,658.69
  5. Step 5: Solve for x
    x = 273,966,658.69/22,239.56
  6. Step 6: Final answer
    x = 12,318.89

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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.