Home / 12,424.06-18,638.37-4,104.64

Finding the Fourth Proportional to 12,424.06, 18,638.37 and 4,104.64

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Solution

The fourth proportional to 12,424.06, 18,638.37 and 4,104.64 is: 6,157.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.06 : 18,638.37 = 4,104.64 : x
  2. Step 2: Convert to fraction form
    12,424.06/18,638.37 = 4,104.64/x
  3. Step 3: Cross multiply
    12,424.06x = 18,638.37 × 4,104.64
  4. Step 4: Simplify right side
    12,424.06x = 76,503,799.04
  5. Step 5: Solve for x
    x = 76,503,799.04/12,424.06
  6. Step 6: Final answer
    x = 6,157.71

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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.