Home / 11,218.84-15,481.78-6,183.54

Finding the Fourth Proportional to 11,218.84, 15,481.78 and 6,183.54

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Solution

The fourth proportional to 11,218.84, 15,481.78 and 6,183.54 is: 8,533.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.84 : 15,481.78 = 6,183.54 : x
  2. Step 2: Convert to fraction form
    11,218.84/15,481.78 = 6,183.54/x
  3. Step 3: Cross multiply
    11,218.84x = 15,481.78 × 6,183.54
  4. Step 4: Simplify right side
    11,218.84x = 95,732,190.44
  5. Step 5: Solve for x
    x = 95,732,190.44/11,218.84
  6. Step 6: Final answer
    x = 8,533.16

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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.