Home / 11,445.08-15,793.92-6,665.85

Finding the Fourth Proportional to 11,445.08, 15,793.92 and 6,665.85

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Solution

The fourth proportional to 11,445.08, 15,793.92 and 6,665.85 is: 9,198.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.08 : 15,793.92 = 6,665.85 : x
  2. Step 2: Convert to fraction form
    11,445.08/15,793.92 = 6,665.85/x
  3. Step 3: Cross multiply
    11,445.08x = 15,793.92 × 6,665.85
  4. Step 4: Simplify right side
    11,445.08x = 105,279,901.63
  5. Step 5: Solve for x
    x = 105,279,901.63/11,445.08
  6. Step 6: Final answer
    x = 9,198.71

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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.