Home / 18,281.62-27,422.30-5,134.00

Finding the Fourth Proportional to 18,281.62, 27,422.30 and 5,134.00

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Solution

The fourth proportional to 18,281.62, 27,422.30 and 5,134.00 is: 7,700.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.62 : 27,422.30 = 5,134.00 : x
  2. Step 2: Convert to fraction form
    18,281.62/27,422.30 = 5,134.00/x
  3. Step 3: Cross multiply
    18,281.62x = 27,422.30 × 5,134.00
  4. Step 4: Simplify right side
    18,281.62x = 140,785,993.97
  5. Step 5: Solve for x
    x = 140,785,993.97/18,281.62
  6. Step 6: Final answer
    x = 7,700.96

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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.