Home / 12,711.14-19,067.94-3,943.70

Finding the Fourth Proportional to 12,711.14, 19,067.94 and 3,943.70

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Solution

The fourth proportional to 12,711.14, 19,067.94 and 3,943.70 is: 5,915.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711.14 : 19,067.94 = 3,943.70 : x
  2. Step 2: Convert to fraction form
    12,711.14/19,067.94 = 3,943.70/x
  3. Step 3: Cross multiply
    12,711.14x = 19,067.94 × 3,943.70
  4. Step 4: Simplify right side
    12,711.14x = 75,198,211.14
  5. Step 5: Solve for x
    x = 75,198,211.14/12,711.14
  6. Step 6: Final answer
    x = 5,915.93

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1.5x scale

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.