Home / 18,257.97-27,387.14-5,777.76

Finding the Fourth Proportional to 18,257.97, 27,387.14 and 5,777.76

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Solution

The fourth proportional to 18,257.97, 27,387.14 and 5,777.76 is: 8,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.97 : 27,387.14 = 5,777.76 : x
  2. Step 2: Convert to fraction form
    18,257.97/27,387.14 = 5,777.76/x
  3. Step 3: Cross multiply
    18,257.97x = 27,387.14 × 5,777.76
  4. Step 4: Simplify right side
    18,257.97x = 158,236,293.12
  5. Step 5: Solve for x
    x = 158,236,293.12/18,257.97
  6. Step 6: Final answer
    x = 8,666.70

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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.