Home / 15,354.78-23,022.09-5,488.98

Finding the Fourth Proportional to 15,354.78, 23,022.09 and 5,488.98

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Solution

The fourth proportional to 15,354.78, 23,022.09 and 5,488.98 is: 8,229.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,354.78 : 23,022.09 = 5,488.98 : x
  2. Step 2: Convert to fraction form
    15,354.78/23,022.09 = 5,488.98/x
  3. Step 3: Cross multiply
    15,354.78x = 23,022.09 × 5,488.98
  4. Step 4: Simplify right side
    15,354.78x = 126,367,791.57
  5. Step 5: Solve for x
    x = 126,367,791.57/15,354.78
  6. Step 6: Final answer
    x = 8,229.87

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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.