Home / 12,067.87-18,098.34-4,168.33

Finding the Fourth Proportional to 12,067.87, 18,098.34 and 4,168.33

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Solution

The fourth proportional to 12,067.87, 18,098.34 and 4,168.33 is: 6,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067.87 : 18,098.34 = 4,168.33 : x
  2. Step 2: Convert to fraction form
    12,067.87/18,098.34 = 4,168.33/x
  3. Step 3: Cross multiply
    12,067.87x = 18,098.34 × 4,168.33
  4. Step 4: Simplify right side
    12,067.87x = 75,439,853.57
  5. Step 5: Solve for x
    x = 75,439,853.57/12,067.87
  6. Step 6: Final answer
    x = 6,251.30

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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.