Home / 10,839.80-16,260.79-2,942.44

Finding the Fourth Proportional to 10,839.80, 16,260.79 and 2,942.44

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Solution

The fourth proportional to 10,839.80, 16,260.79 and 2,942.44 is: 4,413.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.80 : 16,260.79 = 2,942.44 : x
  2. Step 2: Convert to fraction form
    10,839.80/16,260.79 = 2,942.44/x
  3. Step 3: Cross multiply
    10,839.80x = 16,260.79 × 2,942.44
  4. Step 4: Simplify right side
    10,839.80x = 47,846,375.17
  5. Step 5: Solve for x
    x = 47,846,375.17/10,839.80
  6. Step 6: Final answer
    x = 4,413.95

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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.