Home / 18,134.68-27,202.17-4,987.77

Finding the Fourth Proportional to 18,134.68, 27,202.17 and 4,987.77

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Solution

The fourth proportional to 18,134.68, 27,202.17 and 4,987.77 is: 7,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.68 : 27,202.17 = 4,987.77 : x
  2. Step 2: Convert to fraction form
    18,134.68/27,202.17 = 4,987.77/x
  3. Step 3: Cross multiply
    18,134.68x = 27,202.17 × 4,987.77
  4. Step 4: Simplify right side
    18,134.68x = 135,678,167.46
  5. Step 5: Solve for x
    x = 135,678,167.46/18,134.68
  6. Step 6: Final answer
    x = 7,481.70

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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.