Home / 11,725.81-16,182.91-6,691.27

Finding the Fourth Proportional to 11,725.81, 16,182.91 and 6,691.27

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Solution

The fourth proportional to 11,725.81, 16,182.91 and 6,691.27 is: 9,234.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.81 : 16,182.91 = 6,691.27 : x
  2. Step 2: Convert to fraction form
    11,725.81/16,182.91 = 6,691.27/x
  3. Step 3: Cross multiply
    11,725.81x = 16,182.91 × 6,691.27
  4. Step 4: Simplify right side
    11,725.81x = 108,284,220.20
  5. Step 5: Solve for x
    x = 108,284,220.20/11,725.81
  6. Step 6: Final answer
    x = 9,234.69

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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.