Home / 18,340.18-27,509.91-4,489.18

Finding the Fourth Proportional to 18,340.18, 27,509.91 and 4,489.18

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Solution

The fourth proportional to 18,340.18, 27,509.91 and 4,489.18 is: 6,733.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.18 : 27,509.91 = 4,489.18 : x
  2. Step 2: Convert to fraction form
    18,340.18/27,509.91 = 4,489.18/x
  3. Step 3: Cross multiply
    18,340.18x = 27,509.91 × 4,489.18
  4. Step 4: Simplify right side
    18,340.18x = 123,496,937.77
  5. Step 5: Solve for x
    x = 123,496,937.77/18,340.18
  6. Step 6: Final answer
    x = 6,733.68

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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.