Home / 15,452.97-21,324.36-8,379.24

Finding the Fourth Proportional to 15,452.97, 21,324.36 and 8,379.24

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Solution

The fourth proportional to 15,452.97, 21,324.36 and 8,379.24 is: 11,562.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,452.97 : 21,324.36 = 8,379.24 : x
  2. Step 2: Convert to fraction form
    15,452.97/21,324.36 = 8,379.24/x
  3. Step 3: Cross multiply
    15,452.97x = 21,324.36 × 8,379.24
  4. Step 4: Simplify right side
    15,452.97x = 178,681,930.29
  5. Step 5: Solve for x
    x = 178,681,930.29/15,452.97
  6. Step 6: Final answer
    x = 11,562.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.