Home / 12,422.53-18,629.24-4,100.09

Finding the Fourth Proportional to 12,422.53, 18,629.24 and 4,100.09

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Solution

The fourth proportional to 12,422.53, 18,629.24 and 4,100.09 is: 6,148.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422.53 : 18,629.24 = 4,100.09 : x
  2. Step 2: Convert to fraction form
    12,422.53/18,629.24 = 4,100.09/x
  3. Step 3: Cross multiply
    12,422.53x = 18,629.24 × 4,100.09
  4. Step 4: Simplify right side
    12,422.53x = 76,381,470.05
  5. Step 5: Solve for x
    x = 76,381,470.05/12,422.53
  6. Step 6: Final answer
    x = 6,148.62

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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.