Home / 8,273.14-12,387.58-6,960.94

Finding the Fourth Proportional to 8,273.14, 12,387.58 and 6,960.94

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Solution

The fourth proportional to 8,273.14, 12,387.58 and 6,960.94 is: 10,422.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273.14 : 12,387.58 = 6,960.94 : x
  2. Step 2: Convert to fraction form
    8,273.14/12,387.58 = 6,960.94/x
  3. Step 3: Cross multiply
    8,273.14x = 12,387.58 × 6,960.94
  4. Step 4: Simplify right side
    8,273.14x = 86,229,201.13
  5. Step 5: Solve for x
    x = 86,229,201.13/8,273.14
  6. Step 6: Final answer
    x = 10,422.79

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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.