Home / 18,413.32-25,425.36-15,010.86

Finding the Fourth Proportional to 18,413.32, 25,425.36 and 15,010.86

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Solution

The fourth proportional to 18,413.32, 25,425.36 and 15,010.86 is: 20,727.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413.32 : 25,425.36 = 15,010.86 : x
  2. Step 2: Convert to fraction form
    18,413.32/25,425.36 = 15,010.86/x
  3. Step 3: Cross multiply
    18,413.32x = 25,425.36 × 15,010.86
  4. Step 4: Simplify right side
    18,413.32x = 381,656,519.41
  5. Step 5: Solve for x
    x = 381,656,519.41/18,413.32
  6. Step 6: Final answer
    x = 20,727.20

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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.