Home / 9,367.62-12,921.67-6,179.79

Finding the Fourth Proportional to 9,367.62, 12,921.67 and 6,179.79

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Solution

The fourth proportional to 9,367.62, 12,921.67 and 6,179.79 is: 8,524.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,367.62 : 12,921.67 = 6,179.79 : x
  2. Step 2: Convert to fraction form
    9,367.62/12,921.67 = 6,179.79/x
  3. Step 3: Cross multiply
    9,367.62x = 12,921.67 × 6,179.79
  4. Step 4: Simplify right side
    9,367.62x = 79,853,155.78
  5. Step 5: Solve for x
    x = 79,853,155.78/9,367.62
  6. Step 6: Final answer
    x = 8,524.38

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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.