Home / 12,799.62-19,195.11-6,221.61

Finding the Fourth Proportional to 12,799.62, 19,195.11 and 6,221.61

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Solution

The fourth proportional to 12,799.62, 19,195.11 and 6,221.61 is: 9,330.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799.62 : 19,195.11 = 6,221.61 : x
  2. Step 2: Convert to fraction form
    12,799.62/19,195.11 = 6,221.61/x
  3. Step 3: Cross multiply
    12,799.62x = 19,195.11 × 6,221.61
  4. Step 4: Simplify right side
    12,799.62x = 119,424,488.33
  5. Step 5: Solve for x
    x = 119,424,488.33/12,799.62
  6. Step 6: Final answer
    x = 9,330.32

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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.