Home / 14,711.77-22,067.90-6,391.78

Finding the Fourth Proportional to 14,711.77, 22,067.90 and 6,391.78

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Solution

The fourth proportional to 14,711.77, 22,067.90 and 6,391.78 is: 9,587.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,711.77 : 22,067.90 = 6,391.78 : x
  2. Step 2: Convert to fraction form
    14,711.77/22,067.90 = 6,391.78/x
  3. Step 3: Cross multiply
    14,711.77x = 22,067.90 × 6,391.78
  4. Step 4: Simplify right side
    14,711.77x = 141,053,129.90
  5. Step 5: Solve for x
    x = 141,053,129.90/14,711.77
  6. Step 6: Final answer
    x = 9,587.78

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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.