Home / 12,321.15-18,481.46-4,001.15

Finding the Fourth Proportional to 12,321.15, 18,481.46 and 4,001.15

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Solution

The fourth proportional to 12,321.15, 18,481.46 and 4,001.15 is: 6,001.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,321.15 : 18,481.46 = 4,001.15 : x
  2. Step 2: Convert to fraction form
    12,321.15/18,481.46 = 4,001.15/x
  3. Step 3: Cross multiply
    12,321.15x = 18,481.46 × 4,001.15
  4. Step 4: Simplify right side
    12,321.15x = 73,947,093.68
  5. Step 5: Solve for x
    x = 73,947,093.68/12,321.15
  6. Step 6: Final answer
    x = 6,001.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.