Home / 12,418.13-18,629.24-4,098.62

Finding the Fourth Proportional to 12,418.13, 18,629.24 and 4,098.62

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Solution

The fourth proportional to 12,418.13, 18,629.24 and 4,098.62 is: 6,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418.13 : 18,629.24 = 4,098.62 : x
  2. Step 2: Convert to fraction form
    12,418.13/18,629.24 = 4,098.62/x
  3. Step 3: Cross multiply
    12,418.13x = 18,629.24 × 4,098.62
  4. Step 4: Simplify right side
    12,418.13x = 76,354,062.01
  5. Step 5: Solve for x
    x = 76,354,062.01/12,418.13
  6. Step 6: Final answer
    x = 6,148.60

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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.