Home / 9,179.19-12,672.65-6,658.88

Finding the Fourth Proportional to 9,179.19, 12,672.65 and 6,658.88

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Solution

The fourth proportional to 9,179.19, 12,672.65 and 6,658.88 is: 9,193.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.19 : 12,672.65 = 6,658.88 : x
  2. Step 2: Convert to fraction form
    9,179.19/12,672.65 = 6,658.88/x
  3. Step 3: Cross multiply
    9,179.19x = 12,672.65 × 6,658.88
  4. Step 4: Simplify right side
    9,179.19x = 84,385,608.92
  5. Step 5: Solve for x
    x = 84,385,608.92/9,179.19
  6. Step 6: Final answer
    x = 9,193.14

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Half scale
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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.