Home / 11,413.59-17,121.75-4,391.97

Finding the Fourth Proportional to 11,413.59, 17,121.75 and 4,391.97

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Solution

The fourth proportional to 11,413.59, 17,121.75 and 4,391.97 is: 6,588.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.59 : 17,121.75 = 4,391.97 : x
  2. Step 2: Convert to fraction form
    11,413.59/17,121.75 = 4,391.97/x
  3. Step 3: Cross multiply
    11,413.59x = 17,121.75 × 4,391.97
  4. Step 4: Simplify right side
    11,413.59x = 75,198,212.35
  5. Step 5: Solve for x
    x = 75,198,212.35/11,413.59
  6. Step 6: Final answer
    x = 6,588.48

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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.