Home / 11,218.62-15,481.83-6,183.06

Finding the Fourth Proportional to 11,218.62, 15,481.83 and 6,183.06

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Solution

The fourth proportional to 11,218.62, 15,481.83 and 6,183.06 is: 8,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.62 : 15,481.83 = 6,183.06 : x
  2. Step 2: Convert to fraction form
    11,218.62/15,481.83 = 6,183.06/x
  3. Step 3: Cross multiply
    11,218.62x = 15,481.83 × 6,183.06
  4. Step 4: Simplify right side
    11,218.62x = 95,725,083.80
  5. Step 5: Solve for x
    x = 95,725,083.80/11,218.62
  6. Step 6: Final answer
    x = 8,532.70

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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.