Home / 12,160.32-18,231.59-8,201.73

Finding the Fourth Proportional to 12,160.32, 18,231.59 and 8,201.73

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Solution

The fourth proportional to 12,160.32, 18,231.59 and 8,201.73 is: 12,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160.32 : 18,231.59 = 8,201.73 : x
  2. Step 2: Convert to fraction form
    12,160.32/18,231.59 = 8,201.73/x
  3. Step 3: Cross multiply
    12,160.32x = 18,231.59 × 8,201.73
  4. Step 4: Simplify right side
    12,160.32x = 149,530,578.65
  5. Step 5: Solve for x
    x = 149,530,578.65/12,160.32
  6. Step 6: Final answer
    x = 12,296.60

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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.