Home / 12,112.24-18,169.13-3,227.42

Finding the Fourth Proportional to 12,112.24, 18,169.13 and 3,227.42

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Solution

The fourth proportional to 12,112.24, 18,169.13 and 3,227.42 is: 4,841.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112.24 : 18,169.13 = 3,227.42 : x
  2. Step 2: Convert to fraction form
    12,112.24/18,169.13 = 3,227.42/x
  3. Step 3: Cross multiply
    12,112.24x = 18,169.13 × 3,227.42
  4. Step 4: Simplify right side
    12,112.24x = 58,639,413.54
  5. Step 5: Solve for x
    x = 58,639,413.54/12,112.24
  6. Step 6: Final answer
    x = 4,841.34

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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.