Home / 13,344.12-18,413.28-7,374.97

Finding the Fourth Proportional to 13,344.12, 18,413.28 and 7,374.97

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Solution

The fourth proportional to 13,344.12, 18,413.28 and 7,374.97 is: 10,176.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.12 : 18,413.28 = 7,374.97 : x
  2. Step 2: Convert to fraction form
    13,344.12/18,413.28 = 7,374.97/x
  3. Step 3: Cross multiply
    13,344.12x = 18,413.28 × 7,374.97
  4. Step 4: Simplify right side
    13,344.12x = 135,797,387.60
  5. Step 5: Solve for x
    x = 135,797,387.60/13,344.12
  6. Step 6: Final answer
    x = 10,176.57

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1.5x scale

Why These Related Problems?

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