Home / 11,379.79-15,704.18-6,344.33

Finding the Fourth Proportional to 11,379.79, 15,704.18 and 6,344.33

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Solution

The fourth proportional to 11,379.79, 15,704.18 and 6,344.33 is: 8,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,379.79 : 15,704.18 = 6,344.33 : x
  2. Step 2: Convert to fraction form
    11,379.79/15,704.18 = 6,344.33/x
  3. Step 3: Cross multiply
    11,379.79x = 15,704.18 × 6,344.33
  4. Step 4: Simplify right side
    11,379.79x = 99,632,413.85
  5. Step 5: Solve for x
    x = 99,632,413.85/11,379.79
  6. Step 6: Final answer
    x = 8,755.21

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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.