Home / 12,044.97-18,067.41-3,279.87

Finding the Fourth Proportional to 12,044.97, 18,067.41 and 3,279.87

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Solution

The fourth proportional to 12,044.97, 18,067.41 and 3,279.87 is: 4,919.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,044.97 : 18,067.41 = 3,279.87 : x
  2. Step 2: Convert to fraction form
    12,044.97/18,067.41 = 3,279.87/x
  3. Step 3: Cross multiply
    12,044.97x = 18,067.41 × 3,279.87
  4. Step 4: Simplify right side
    12,044.97x = 59,258,756.04
  5. Step 5: Solve for x
    x = 59,258,756.04/12,044.97
  6. Step 6: Final answer
    x = 4,919.79

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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.