Home / 11,731.08-16,179.30-8,367.96

Finding the Fourth Proportional to 11,731.08, 16,179.30 and 8,367.96

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Solution

The fourth proportional to 11,731.08, 16,179.30 and 8,367.96 is: 11,540.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.08 : 16,179.30 = 8,367.96 : x
  2. Step 2: Convert to fraction form
    11,731.08/16,179.30 = 8,367.96/x
  3. Step 3: Cross multiply
    11,731.08x = 16,179.30 × 8,367.96
  4. Step 4: Simplify right side
    11,731.08x = 135,387,735.23
  5. Step 5: Solve for x
    x = 135,387,735.23/11,731.08
  6. Step 6: Final answer
    x = 11,540.94

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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.