Home / 12,067.92-16,652.87-6,689.97

Finding the Fourth Proportional to 12,067.92, 16,652.87 and 6,689.97

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Solution

The fourth proportional to 12,067.92, 16,652.87 and 6,689.97 is: 9,231.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067.92 : 16,652.87 = 6,689.97 : x
  2. Step 2: Convert to fraction form
    12,067.92/16,652.87 = 6,689.97/x
  3. Step 3: Cross multiply
    12,067.92x = 16,652.87 × 6,689.97
  4. Step 4: Simplify right side
    12,067.92x = 111,407,200.71
  5. Step 5: Solve for x
    x = 111,407,200.71/12,067.92
  6. Step 6: Final answer
    x = 9,231.68

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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.