Home / 22,013.31-33,021.05-8,863.91

Finding the Fourth Proportional to 22,013.31, 33,021.05 and 8,863.91

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Solution

The fourth proportional to 22,013.31, 33,021.05 and 8,863.91 is: 13,296.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,013.31 : 33,021.05 = 8,863.91 : x
  2. Step 2: Convert to fraction form
    22,013.31/33,021.05 = 8,863.91/x
  3. Step 3: Cross multiply
    22,013.31x = 33,021.05 × 8,863.91
  4. Step 4: Simplify right side
    22,013.31x = 292,695,405.88
  5. Step 5: Solve for x
    x = 292,695,405.88/22,013.31
  6. Step 6: Final answer
    x = 13,296.29

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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.