Home / 9,340.80-13,942.82-8,233.66

Finding the Fourth Proportional to 9,340.80, 13,942.82 and 8,233.66

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Solution

The fourth proportional to 9,340.80, 13,942.82 and 8,233.66 is: 12,290.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340.80 : 13,942.82 = 8,233.66 : x
  2. Step 2: Convert to fraction form
    9,340.80/13,942.82 = 8,233.66/x
  3. Step 3: Cross multiply
    9,340.80x = 13,942.82 × 8,233.66
  4. Step 4: Simplify right side
    9,340.80x = 114,800,439.32
  5. Step 5: Solve for x
    x = 114,800,439.32/9,340.80
  6. Step 6: Final answer
    x = 12,290.21

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.