Home / 8,275.92-12,391.68-6,963.72

Finding the Fourth Proportional to 8,275.92, 12,391.68 and 6,963.72

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Solution

The fourth proportional to 8,275.92, 12,391.68 and 6,963.72 is: 10,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.92 : 12,391.68 = 6,963.72 : x
  2. Step 2: Convert to fraction form
    8,275.92/12,391.68 = 6,963.72/x
  3. Step 3: Cross multiply
    8,275.92x = 12,391.68 × 6,963.72
  4. Step 4: Simplify right side
    8,275.92x = 86,292,189.85
  5. Step 5: Solve for x
    x = 86,292,189.85/8,275.92
  6. Step 6: Final answer
    x = 10,426.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.