Home / 11,168.91-15,413.46-6,453.19

Finding the Fourth Proportional to 11,168.91, 15,413.46 and 6,453.19

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Solution

The fourth proportional to 11,168.91, 15,413.46 and 6,453.19 is: 8,905.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.91 : 15,413.46 = 6,453.19 : x
  2. Step 2: Convert to fraction form
    11,168.91/15,413.46 = 6,453.19/x
  3. Step 3: Cross multiply
    11,168.91x = 15,413.46 × 6,453.19
  4. Step 4: Simplify right side
    11,168.91x = 99,465,953.67
  5. Step 5: Solve for x
    x = 99,465,953.67/11,168.91
  6. Step 6: Final answer
    x = 8,905.61

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Half scale
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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.