Home / 11,067.26-15,258.12-8,940.39

Finding the Fourth Proportional to 11,067.26, 15,258.12 and 8,940.39

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Solution

The fourth proportional to 11,067.26, 15,258.12 and 8,940.39 is: 12,325.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,067.26 : 15,258.12 = 8,940.39 : x
  2. Step 2: Convert to fraction form
    11,067.26/15,258.12 = 8,940.39/x
  3. Step 3: Cross multiply
    11,067.26x = 15,258.12 × 8,940.39
  4. Step 4: Simplify right side
    11,067.26x = 136,413,543.47
  5. Step 5: Solve for x
    x = 136,413,543.47/11,067.26
  6. Step 6: Final answer
    x = 12,325.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.