Home / 15,951.30-22,013.66-8,877.56

Finding the Fourth Proportional to 15,951.30, 22,013.66 and 8,877.56

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Solution

The fourth proportional to 15,951.30, 22,013.66 and 8,877.56 is: 12,251.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951.30 : 22,013.66 = 8,877.56 : x
  2. Step 2: Convert to fraction form
    15,951.30/22,013.66 = 8,877.56/x
  3. Step 3: Cross multiply
    15,951.30x = 22,013.66 × 8,877.56
  4. Step 4: Simplify right side
    15,951.30x = 195,427,587.47
  5. Step 5: Solve for x
    x = 195,427,587.47/15,951.30
  6. Step 6: Final answer
    x = 12,251.51

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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.