Home / 13,408.29-20,105.96-4,046.54

Finding the Fourth Proportional to 13,408.29, 20,105.96 and 4,046.54

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Solution

The fourth proportional to 13,408.29, 20,105.96 and 4,046.54 is: 6,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408.29 : 20,105.96 = 4,046.54 : x
  2. Step 2: Convert to fraction form
    13,408.29/20,105.96 = 4,046.54/x
  3. Step 3: Cross multiply
    13,408.29x = 20,105.96 × 4,046.54
  4. Step 4: Simplify right side
    13,408.29x = 81,359,450.62
  5. Step 5: Solve for x
    x = 81,359,450.62/13,408.29
  6. Step 6: Final answer
    x = 6,067.85

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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.