Home / 18,458.00-25,463.17-12,081.78

Finding the Fourth Proportional to 18,458.00, 25,463.17 and 12,081.78

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Solution

The fourth proportional to 18,458.00, 25,463.17 and 12,081.78 is: 16,667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458.00 : 25,463.17 = 12,081.78 : x
  2. Step 2: Convert to fraction form
    18,458.00/25,463.17 = 12,081.78/x
  3. Step 3: Cross multiply
    18,458.00x = 25,463.17 × 12,081.78
  4. Step 4: Simplify right side
    18,458.00x = 307,640,470.78
  5. Step 5: Solve for x
    x = 307,640,470.78/18,458.00
  6. Step 6: Final answer
    x = 16,667.05

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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.