Home / 12,255.67-18,376.09-5,500.02

Finding the Fourth Proportional to 12,255.67, 18,376.09 and 5,500.02

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Solution

The fourth proportional to 12,255.67, 18,376.09 and 5,500.02 is: 8,246.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,255.67 : 18,376.09 = 5,500.02 : x
  2. Step 2: Convert to fraction form
    12,255.67/18,376.09 = 5,500.02/x
  3. Step 3: Cross multiply
    12,255.67x = 18,376.09 × 5,500.02
  4. Step 4: Simplify right side
    12,255.67x = 101,068,743.14
  5. Step 5: Solve for x
    x = 101,068,743.14/12,255.67
  6. Step 6: Final answer
    x = 8,246.69

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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.