Home / 11,218.20-15,481.80-6,182.41

Finding the Fourth Proportional to 11,218.20, 15,481.80 and 6,182.41

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Solution

The fourth proportional to 11,218.20, 15,481.80 and 6,182.41 is: 8,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.20 : 15,481.80 = 6,182.41 : x
  2. Step 2: Convert to fraction form
    11,218.20/15,481.80 = 6,182.41/x
  3. Step 3: Cross multiply
    11,218.20x = 15,481.80 × 6,182.41
  4. Step 4: Simplify right side
    11,218.20x = 95,714,835.14
  5. Step 5: Solve for x
    x = 95,714,835.14/11,218.20
  6. Step 6: Final answer
    x = 8,532.10

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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.