Home / 12,413.28-18,625.92-5,486.88

Finding the Fourth Proportional to 12,413.28, 18,625.92 and 5,486.88

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Solution

The fourth proportional to 12,413.28, 18,625.92 and 5,486.88 is: 8,232.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413.28 : 18,625.92 = 5,486.88 : x
  2. Step 2: Convert to fraction form
    12,413.28/18,625.92 = 5,486.88/x
  3. Step 3: Cross multiply
    12,413.28x = 18,625.92 × 5,486.88
  4. Step 4: Simplify right side
    12,413.28x = 102,198,187.93
  5. Step 5: Solve for x
    x = 102,198,187.93/12,413.28
  6. Step 6: Final answer
    x = 8,232.97

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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.