Home / 13,773.33-20,645.85-5,449.95

Finding the Fourth Proportional to 13,773.33, 20,645.85 and 5,449.95

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Solution

The fourth proportional to 13,773.33, 20,645.85 and 5,449.95 is: 8,169.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.33 : 20,645.85 = 5,449.95 : x
  2. Step 2: Convert to fraction form
    13,773.33/20,645.85 = 5,449.95/x
  3. Step 3: Cross multiply
    13,773.33x = 20,645.85 × 5,449.95
  4. Step 4: Simplify right side
    13,773.33x = 112,518,850.21
  5. Step 5: Solve for x
    x = 112,518,850.21/13,773.33
  6. Step 6: Final answer
    x = 8,169.33

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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.