Home / 11,186.70-15,413.31-8,352.96

Finding the Fourth Proportional to 11,186.70, 15,413.31 and 8,352.96

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Solution

The fourth proportional to 11,186.70, 15,413.31 and 8,352.96 is: 11,508.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.70 : 15,413.31 = 8,352.96 : x
  2. Step 2: Convert to fraction form
    11,186.70/15,413.31 = 8,352.96/x
  3. Step 3: Cross multiply
    11,186.70x = 15,413.31 × 8,352.96
  4. Step 4: Simplify right side
    11,186.70x = 128,746,761.90
  5. Step 5: Solve for x
    x = 128,746,761.90/11,186.70
  6. Step 6: Final answer
    x = 11,508.91

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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.