Home / 12,167.26-16,790.65-6,863.78

Finding the Fourth Proportional to 12,167.26, 16,790.65 and 6,863.78

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Solution

The fourth proportional to 12,167.26, 16,790.65 and 6,863.78 is: 9,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.26 : 16,790.65 = 6,863.78 : x
  2. Step 2: Convert to fraction form
    12,167.26/16,790.65 = 6,863.78/x
  3. Step 3: Cross multiply
    12,167.26x = 16,790.65 × 6,863.78
  4. Step 4: Simplify right side
    12,167.26x = 115,247,327.66
  5. Step 5: Solve for x
    x = 115,247,327.66/12,167.26
  6. Step 6: Final answer
    x = 9,471.92

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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.