Home / 13,413.53-20,122.22-4,180.25

Finding the Fourth Proportional to 13,413.53, 20,122.22 and 4,180.25

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Solution

The fourth proportional to 13,413.53, 20,122.22 and 4,180.25 is: 6,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413.53 : 20,122.22 = 4,180.25 : x
  2. Step 2: Convert to fraction form
    13,413.53/20,122.22 = 4,180.25/x
  3. Step 3: Cross multiply
    13,413.53x = 20,122.22 × 4,180.25
  4. Step 4: Simplify right side
    13,413.53x = 84,115,889.25
  5. Step 5: Solve for x
    x = 84,115,889.25/13,413.53
  6. Step 6: Final answer
    x = 6,270.97

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1.5x scale

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.