Home / 26,179.66-39,251.13-12,131.83

Finding the Fourth Proportional to 26,179.66, 39,251.13 and 12,131.83

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Solution

The fourth proportional to 26,179.66, 39,251.13 and 12,131.83 is: 18,189.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,179.66 : 39,251.13 = 12,131.83 : x
  2. Step 2: Convert to fraction form
    26,179.66/39,251.13 = 12,131.83/x
  3. Step 3: Cross multiply
    26,179.66x = 39,251.13 × 12,131.83
  4. Step 4: Simplify right side
    26,179.66x = 476,188,036.47
  5. Step 5: Solve for x
    x = 476,188,036.47/26,179.66
  6. Step 6: Final answer
    x = 18,189.24

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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.