Home / 9,177.88-12,665.75-6,493.91

Finding the Fourth Proportional to 9,177.88, 12,665.75 and 6,493.91

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Solution

The fourth proportional to 9,177.88, 12,665.75 and 6,493.91 is: 8,961.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177.88 : 12,665.75 = 6,493.91 : x
  2. Step 2: Convert to fraction form
    9,177.88/12,665.75 = 6,493.91/x
  3. Step 3: Cross multiply
    9,177.88x = 12,665.75 × 6,493.91
  4. Step 4: Simplify right side
    9,177.88x = 82,250,221.05
  5. Step 5: Solve for x
    x = 82,250,221.05/9,177.88
  6. Step 6: Final answer
    x = 8,961.79

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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.