Home / 13,609.20-20,413.80-4,250.02

Finding the Fourth Proportional to 13,609.20, 20,413.80 and 4,250.02

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Solution

The fourth proportional to 13,609.20, 20,413.80 and 4,250.02 is: 6,375.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609.20 : 20,413.80 = 4,250.02 : x
  2. Step 2: Convert to fraction form
    13,609.20/20,413.80 = 4,250.02/x
  3. Step 3: Cross multiply
    13,609.20x = 20,413.80 × 4,250.02
  4. Step 4: Simplify right side
    13,609.20x = 86,759,058.28
  5. Step 5: Solve for x
    x = 86,759,058.28/13,609.20
  6. Step 6: Final answer
    x = 6,375.03

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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.