Home / 23,042.82-31,789.17-13,214.83

Finding the Fourth Proportional to 23,042.82, 31,789.17 and 13,214.83

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Solution

The fourth proportional to 23,042.82, 31,789.17 and 13,214.83 is: 18,230.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,042.82 : 31,789.17 = 13,214.83 : x
  2. Step 2: Convert to fraction form
    23,042.82/31,789.17 = 13,214.83/x
  3. Step 3: Cross multiply
    23,042.82x = 31,789.17 × 13,214.83
  4. Step 4: Simplify right side
    23,042.82x = 420,088,477.39
  5. Step 5: Solve for x
    x = 420,088,477.39/23,042.82
  6. Step 6: Final answer
    x = 18,230.78

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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.