Home / 11,708.54-17,561.44-2,942.78

Finding the Fourth Proportional to 11,708.54, 17,561.44 and 2,942.78

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Solution

The fourth proportional to 11,708.54, 17,561.44 and 2,942.78 is: 4,413.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.54 : 17,561.44 = 2,942.78 : x
  2. Step 2: Convert to fraction form
    11,708.54/17,561.44 = 2,942.78/x
  3. Step 3: Cross multiply
    11,708.54x = 17,561.44 × 2,942.78
  4. Step 4: Simplify right side
    11,708.54x = 51,679,454.40
  5. Step 5: Solve for x
    x = 51,679,454.40/11,708.54
  6. Step 6: Final answer
    x = 4,413.83

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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.