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Finding the Fourth Proportional to 14,049.09, 19,413.41 and 13,365.72

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Solution

The fourth proportional to 14,049.09, 19,413.41 and 13,365.72 is: 18,469.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.09 : 19,413.41 = 13,365.72 : x
  2. Step 2: Convert to fraction form
    14,049.09/19,413.41 = 13,365.72/x
  3. Step 3: Cross multiply
    14,049.09x = 19,413.41 × 13,365.72
  4. Step 4: Simplify right side
    14,049.09x = 259,474,135.48
  5. Step 5: Solve for x
    x = 259,474,135.48/14,049.09
  6. Step 6: Final answer
    x = 18,469.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.