Home / 15,413.69-23,083.28-8,819.89

Finding the Fourth Proportional to 15,413.69, 23,083.28 and 8,819.89

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Solution

The fourth proportional to 15,413.69, 23,083.28 and 8,819.89 is: 13,208.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413.69 : 23,083.28 = 8,819.89 : x
  2. Step 2: Convert to fraction form
    15,413.69/23,083.28 = 8,819.89/x
  3. Step 3: Cross multiply
    15,413.69x = 23,083.28 × 8,819.89
  4. Step 4: Simplify right side
    15,413.69x = 203,591,921.71
  5. Step 5: Solve for x
    x = 203,591,921.71/15,413.69
  6. Step 6: Final answer
    x = 13,208.51

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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.