Home / 12,382.22-17,087.60-6,793.22

Finding the Fourth Proportional to 12,382.22, 17,087.60 and 6,793.22

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Solution

The fourth proportional to 12,382.22, 17,087.60 and 6,793.22 is: 9,374.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382.22 : 17,087.60 = 6,793.22 : x
  2. Step 2: Convert to fraction form
    12,382.22/17,087.60 = 6,793.22/x
  3. Step 3: Cross multiply
    12,382.22x = 17,087.60 × 6,793.22
  4. Step 4: Simplify right side
    12,382.22x = 116,079,757.62
  5. Step 5: Solve for x
    x = 116,079,757.62/12,382.22
  6. Step 6: Final answer
    x = 9,374.72

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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.