Home / 11,218.20-15,481.22-6,182.60

Finding the Fourth Proportional to 11,218.20, 15,481.22 and 6,182.60

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Solution

The fourth proportional to 11,218.20, 15,481.22 and 6,182.60 is: 8,532.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.20 : 15,481.22 = 6,182.60 : x
  2. Step 2: Convert to fraction form
    11,218.20/15,481.22 = 6,182.60/x
  3. Step 3: Cross multiply
    11,218.20x = 15,481.22 × 6,182.60
  4. Step 4: Simplify right side
    11,218.20x = 95,714,190.77
  5. Step 5: Solve for x
    x = 95,714,190.77/11,218.20
  6. Step 6: Final answer
    x = 8,532.05

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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.