Home / 13,408.33-20,091.69-5,083.87

Finding the Fourth Proportional to 13,408.33, 20,091.69 and 5,083.87

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Solution

The fourth proportional to 13,408.33, 20,091.69 and 5,083.87 is: 7,617.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408.33 : 20,091.69 = 5,083.87 : x
  2. Step 2: Convert to fraction form
    13,408.33/20,091.69 = 5,083.87/x
  3. Step 3: Cross multiply
    13,408.33x = 20,091.69 × 5,083.87
  4. Step 4: Simplify right side
    13,408.33x = 102,143,540.04
  5. Step 5: Solve for x
    x = 102,143,540.04/13,408.33
  6. Step 6: Final answer
    x = 7,617.92

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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.