Home / 18,088.11-27,143.45-8,092.85

Finding the Fourth Proportional to 18,088.11, 27,143.45 and 8,092.85

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Solution

The fourth proportional to 18,088.11, 27,143.45 and 8,092.85 is: 12,144.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088.11 : 27,143.45 = 8,092.85 : x
  2. Step 2: Convert to fraction form
    18,088.11/27,143.45 = 8,092.85/x
  3. Step 3: Cross multiply
    18,088.11x = 27,143.45 × 8,092.85
  4. Step 4: Simplify right side
    18,088.11x = 219,667,693.15
  5. Step 5: Solve for x
    x = 219,667,693.15/18,088.11
  6. Step 6: Final answer
    x = 12,144.31

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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.