Home / 15,414.91-23,117.81-8,015.36

Finding the Fourth Proportional to 15,414.91, 23,117.81 and 8,015.36

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Solution

The fourth proportional to 15,414.91, 23,117.81 and 8,015.36 is: 12,020.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,414.91 : 23,117.81 = 8,015.36 : x
  2. Step 2: Convert to fraction form
    15,414.91/23,117.81 = 8,015.36/x
  3. Step 3: Cross multiply
    15,414.91x = 23,117.81 × 8,015.36
  4. Step 4: Simplify right side
    15,414.91x = 185,297,413.90
  5. Step 5: Solve for x
    x = 185,297,413.90/15,414.91
  6. Step 6: Final answer
    x = 12,020.66

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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.