Home / 11,413.49-17,211.47-11,257.56

Finding the Fourth Proportional to 11,413.49, 17,211.47 and 11,257.56

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Solution

The fourth proportional to 11,413.49, 17,211.47 and 11,257.56 is: 16,976.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.49 : 17,211.47 = 11,257.56 : x
  2. Step 2: Convert to fraction form
    11,413.49/17,211.47 = 11,257.56/x
  3. Step 3: Cross multiply
    11,413.49x = 17,211.47 × 11,257.56
  4. Step 4: Simplify right side
    11,413.49x = 193,759,099.93
  5. Step 5: Solve for x
    x = 193,759,099.93/11,413.49
  6. Step 6: Final answer
    x = 16,976.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.