Home / 11,915.33-17,867.30-4,413.75

Finding the Fourth Proportional to 11,915.33, 17,867.30 and 4,413.75

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Solution

The fourth proportional to 11,915.33, 17,867.30 and 4,413.75 is: 6,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,915.33 : 17,867.30 = 4,413.75 : x
  2. Step 2: Convert to fraction form
    11,915.33/17,867.30 = 4,413.75/x
  3. Step 3: Cross multiply
    11,915.33x = 17,867.30 × 4,413.75
  4. Step 4: Simplify right side
    11,915.33x = 78,861,838.14
  5. Step 5: Solve for x
    x = 78,861,838.14/11,915.33
  6. Step 6: Final answer
    x = 6,618.52

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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.