Home / 18,311.30-27,471.16-6,624.52

Finding the Fourth Proportional to 18,311.30, 27,471.16 and 6,624.52

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Solution

The fourth proportional to 18,311.30, 27,471.16 and 6,624.52 is: 9,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.30 : 27,471.16 = 6,624.52 : x
  2. Step 2: Convert to fraction form
    18,311.30/27,471.16 = 6,624.52/x
  3. Step 3: Cross multiply
    18,311.30x = 27,471.16 × 6,624.52
  4. Step 4: Simplify right side
    18,311.30x = 181,983,248.84
  5. Step 5: Solve for x
    x = 181,983,248.84/18,311.30
  6. Step 6: Final answer
    x = 9,938.30

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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.