Home / 11,218.63-15,481.50-6,183.30

Finding the Fourth Proportional to 11,218.63, 15,481.50 and 6,183.30

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Solution

The fourth proportional to 11,218.63, 15,481.50 and 6,183.30 is: 8,532.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.63 : 15,481.50 = 6,183.30 : x
  2. Step 2: Convert to fraction form
    11,218.63/15,481.50 = 6,183.30/x
  3. Step 3: Cross multiply
    11,218.63x = 15,481.50 × 6,183.30
  4. Step 4: Simplify right side
    11,218.63x = 95,726,650.63
  5. Step 5: Solve for x
    x = 95,726,650.63/11,218.63
  6. Step 6: Final answer
    x = 8,532.83

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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.