Home / 18,560.41-27,840.61-5,413.84

Finding the Fourth Proportional to 18,560.41, 27,840.61 and 5,413.84

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Solution

The fourth proportional to 18,560.41, 27,840.61 and 5,413.84 is: 8,120.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,560.41 : 27,840.61 = 5,413.84 : x
  2. Step 2: Convert to fraction form
    18,560.41/27,840.61 = 5,413.84/x
  3. Step 3: Cross multiply
    18,560.41x = 27,840.61 × 5,413.84
  4. Step 4: Simplify right side
    18,560.41x = 150,724,545.21
  5. Step 5: Solve for x
    x = 150,724,545.21/18,560.41
  6. Step 6: Final answer
    x = 8,120.76

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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.