Home / 11,413.17-17,121.11-4,391.55

Finding the Fourth Proportional to 11,413.17, 17,121.11 and 4,391.55

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Solution

The fourth proportional to 11,413.17, 17,121.11 and 4,391.55 is: 6,587.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.17 : 17,121.11 = 4,391.55 : x
  2. Step 2: Convert to fraction form
    11,413.17/17,121.11 = 4,391.55/x
  3. Step 3: Cross multiply
    11,413.17x = 17,121.11 × 4,391.55
  4. Step 4: Simplify right side
    11,413.17x = 75,188,188.66
  5. Step 5: Solve for x
    x = 75,188,188.66/11,413.17
  6. Step 6: Final answer
    x = 6,587.84

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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.