Home / 11,218.44-15,481.46-6,505.46

Finding the Fourth Proportional to 11,218.44, 15,481.46 and 6,505.46

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Solution

The fourth proportional to 11,218.44, 15,481.46 and 6,505.46 is: 8,977.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.44 : 15,481.46 = 6,505.46 : x
  2. Step 2: Convert to fraction form
    11,218.44/15,481.46 = 6,505.46/x
  3. Step 3: Cross multiply
    11,218.44x = 15,481.46 × 6,505.46
  4. Step 4: Simplify right side
    11,218.44x = 100,714,018.77
  5. Step 5: Solve for x
    x = 100,714,018.77/11,218.44
  6. Step 6: Final answer
    x = 8,977.54

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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.