Home / 18,408.76-27,617.24-6,721.96

Finding the Fourth Proportional to 18,408.76, 27,617.24 and 6,721.96

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Solution

The fourth proportional to 18,408.76, 27,617.24 and 6,721.96 is: 10,084.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408.76 : 27,617.24 = 6,721.96 : x
  2. Step 2: Convert to fraction form
    18,408.76/27,617.24 = 6,721.96/x
  3. Step 3: Cross multiply
    18,408.76x = 27,617.24 × 6,721.96
  4. Step 4: Simplify right side
    18,408.76x = 185,641,982.59
  5. Step 5: Solve for x
    x = 185,641,982.59/18,408.76
  6. Step 6: Final answer
    x = 10,084.44

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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.