Home / 13,480.24-20,208.04-11,413.56

Finding the Fourth Proportional to 13,480.24, 20,208.04 and 11,413.56

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Solution

The fourth proportional to 13,480.24, 20,208.04 and 11,413.56 is: 17,109.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480.24 : 20,208.04 = 11,413.56 : x
  2. Step 2: Convert to fraction form
    13,480.24/20,208.04 = 11,413.56/x
  3. Step 3: Cross multiply
    13,480.24x = 20,208.04 × 11,413.56
  4. Step 4: Simplify right side
    13,480.24x = 230,645,677.02
  5. Step 5: Solve for x
    x = 230,645,677.02/13,480.24
  6. Step 6: Final answer
    x = 17,109.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.