Home / 19,262.38-28,887.84-8,168.90

Finding the Fourth Proportional to 19,262.38, 28,887.84 and 8,168.90

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Solution

The fourth proportional to 19,262.38, 28,887.84 and 8,168.90 is: 12,250.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,262.38 : 28,887.84 = 8,168.90 : x
  2. Step 2: Convert to fraction form
    19,262.38/28,887.84 = 8,168.90/x
  3. Step 3: Cross multiply
    19,262.38x = 28,887.84 × 8,168.90
  4. Step 4: Simplify right side
    19,262.38x = 235,981,876.18
  5. Step 5: Solve for x
    x = 235,981,876.18/19,262.38
  6. Step 6: Final answer
    x = 12,250.92

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1.5x scale

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.