Home / 11,067.87-16,601.82-4,140.75

Finding the Fourth Proportional to 11,067.87, 16,601.82 and 4,140.75

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Solution

The fourth proportional to 11,067.87, 16,601.82 and 4,140.75 is: 6,211.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,067.87 : 16,601.82 = 4,140.75 : x
  2. Step 2: Convert to fraction form
    11,067.87/16,601.82 = 4,140.75/x
  3. Step 3: Cross multiply
    11,067.87x = 16,601.82 × 4,140.75
  4. Step 4: Simplify right side
    11,067.87x = 68,743,986.17
  5. Step 5: Solve for x
    x = 68,743,986.17/11,067.87
  6. Step 6: Final answer
    x = 6,211.13

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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.