Home / 22,711.46-34,067.40-7,920.36

Finding the Fourth Proportional to 22,711.46, 34,067.40 and 7,920.36

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Solution

The fourth proportional to 22,711.46, 34,067.40 and 7,920.36 is: 11,880.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,711.46 : 34,067.40 = 7,920.36 : x
  2. Step 2: Convert to fraction form
    22,711.46/34,067.40 = 7,920.36/x
  3. Step 3: Cross multiply
    22,711.46x = 34,067.40 × 7,920.36
  4. Step 4: Simplify right side
    22,711.46x = 269,826,072.26
  5. Step 5: Solve for x
    x = 269,826,072.26/22,711.46
  6. Step 6: Final answer
    x = 11,880.61

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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.