Home / 11,449.11-15,799.32-6,413.09

Finding the Fourth Proportional to 11,449.11, 15,799.32 and 6,413.09

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Solution

The fourth proportional to 11,449.11, 15,799.32 and 6,413.09 is: 8,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.11 : 15,799.32 = 6,413.09 : x
  2. Step 2: Convert to fraction form
    11,449.11/15,799.32 = 6,413.09/x
  3. Step 3: Cross multiply
    11,449.11x = 15,799.32 × 6,413.09
  4. Step 4: Simplify right side
    11,449.11x = 101,322,382.10
  5. Step 5: Solve for x
    x = 101,322,382.10/11,449.11
  6. Step 6: Final answer
    x = 8,849.80

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Double scale
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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.