Home / 9,332.20-12,870.66-6,979.96

Finding the Fourth Proportional to 9,332.20, 12,870.66 and 6,979.96

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Solution

The fourth proportional to 9,332.20, 12,870.66 and 6,979.96 is: 9,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.20 : 12,870.66 = 6,979.96 : x
  2. Step 2: Convert to fraction form
    9,332.20/12,870.66 = 6,979.96/x
  3. Step 3: Cross multiply
    9,332.20x = 12,870.66 × 6,979.96
  4. Step 4: Simplify right side
    9,332.20x = 89,836,691.97
  5. Step 5: Solve for x
    x = 89,836,691.97/9,332.20
  6. Step 6: Final answer
    x = 9,626.53

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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.