Home / 12,184.75-18,278.04-6,917.73

Finding the Fourth Proportional to 12,184.75, 18,278.04 and 6,917.73

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Solution

The fourth proportional to 12,184.75, 18,278.04 and 6,917.73 is: 10,377.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.75 : 18,278.04 = 6,917.73 : x
  2. Step 2: Convert to fraction form
    12,184.75/18,278.04 = 6,917.73/x
  3. Step 3: Cross multiply
    12,184.75x = 18,278.04 × 6,917.73
  4. Step 4: Simplify right side
    12,184.75x = 126,442,545.65
  5. Step 5: Solve for x
    x = 126,442,545.65/12,184.75
  6. Step 6: Final answer
    x = 10,377.11

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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.