Home / 11,413.85-15,749.51-6,377.96

Finding the Fourth Proportional to 11,413.85, 15,749.51 and 6,377.96

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Solution

The fourth proportional to 11,413.85, 15,749.51 and 6,377.96 is: 8,800.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413.85 : 15,749.51 = 6,377.96 : x
  2. Step 2: Convert to fraction form
    11,413.85/15,749.51 = 6,377.96/x
  3. Step 3: Cross multiply
    11,413.85x = 15,749.51 × 6,377.96
  4. Step 4: Simplify right side
    11,413.85x = 100,449,752.28
  5. Step 5: Solve for x
    x = 100,449,752.28/11,413.85
  6. Step 6: Final answer
    x = 8,800.69

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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.