Home / 18,507.20-27,764.46-5,359.68

Finding the Fourth Proportional to 18,507.20, 27,764.46 and 5,359.68

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Solution

The fourth proportional to 18,507.20, 27,764.46 and 5,359.68 is: 8,040.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,507.20 : 27,764.46 = 5,359.68 : x
  2. Step 2: Convert to fraction form
    18,507.20/27,764.46 = 5,359.68/x
  3. Step 3: Cross multiply
    18,507.20x = 27,764.46 × 5,359.68
  4. Step 4: Simplify right side
    18,507.20x = 148,808,620.97
  5. Step 5: Solve for x
    x = 148,808,620.97/18,507.20
  6. Step 6: Final answer
    x = 8,040.58

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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.