Home / 18,520.14-27,781.68-6,039.92

Finding the Fourth Proportional to 18,520.14, 27,781.68 and 6,039.92

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Solution

The fourth proportional to 18,520.14, 27,781.68 and 6,039.92 is: 9,060.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,520.14 : 27,781.68 = 6,039.92 : x
  2. Step 2: Convert to fraction form
    18,520.14/27,781.68 = 6,039.92/x
  3. Step 3: Cross multiply
    18,520.14x = 27,781.68 × 6,039.92
  4. Step 4: Simplify right side
    18,520.14x = 167,799,124.67
  5. Step 5: Solve for x
    x = 167,799,124.67/18,520.14
  6. Step 6: Final answer
    x = 9,060.36

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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.