Home / 13,183.92-19,773.36-3,949.92

Finding the Fourth Proportional to 13,183.92, 19,773.36 and 3,949.92

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Solution

The fourth proportional to 13,183.92, 19,773.36 and 3,949.92 is: 5,924.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.92 : 19,773.36 = 3,949.92 : x
  2. Step 2: Convert to fraction form
    13,183.92/19,773.36 = 3,949.92/x
  3. Step 3: Cross multiply
    13,183.92x = 19,773.36 × 3,949.92
  4. Step 4: Simplify right side
    13,183.92x = 78,103,190.13
  5. Step 5: Solve for x
    x = 78,103,190.13/13,183.92
  6. Step 6: Final answer
    x = 5,924.13

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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.