Home / 15,949.92-22,010.40-8,876.16

Finding the Fourth Proportional to 15,949.92, 22,010.40 and 8,876.16

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Solution

The fourth proportional to 15,949.92, 22,010.40 and 8,876.16 is: 12,248.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,949.92 : 22,010.40 = 8,876.16 : x
  2. Step 2: Convert to fraction form
    15,949.92/22,010.40 = 8,876.16/x
  3. Step 3: Cross multiply
    15,949.92x = 22,010.40 × 8,876.16
  4. Step 4: Simplify right side
    15,949.92x = 195,367,832.06
  5. Step 5: Solve for x
    x = 195,367,832.06/15,949.92
  6. Step 6: Final answer
    x = 12,248.83

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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.