Home / 15,923.57-21,974.22-8,753.65

Finding the Fourth Proportional to 15,923.57, 21,974.22 and 8,753.65

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Solution

The fourth proportional to 15,923.57, 21,974.22 and 8,753.65 is: 12,079.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,923.57 : 21,974.22 = 8,753.65 : x
  2. Step 2: Convert to fraction form
    15,923.57/21,974.22 = 8,753.65/x
  3. Step 3: Cross multiply
    15,923.57x = 21,974.22 × 8,753.65
  4. Step 4: Simplify right side
    15,923.57x = 192,354,575.97
  5. Step 5: Solve for x
    x = 192,354,575.97/15,923.57
  6. Step 6: Final answer
    x = 12,079.87

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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.