Home / 13,432.44-20,148.92-6,413.28

Finding the Fourth Proportional to 13,432.44, 20,148.92 and 6,413.28

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Solution

The fourth proportional to 13,432.44, 20,148.92 and 6,413.28 is: 9,620.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.44 : 20,148.92 = 6,413.28 : x
  2. Step 2: Convert to fraction form
    13,432.44/20,148.92 = 6,413.28/x
  3. Step 3: Cross multiply
    13,432.44x = 20,148.92 × 6,413.28
  4. Step 4: Simplify right side
    13,432.44x = 129,220,665.66
  5. Step 5: Solve for x
    x = 129,220,665.66/13,432.44
  6. Step 6: Final answer
    x = 9,620.04

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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.