Home / 12,436.66-18,650.51-4,115.14

Finding the Fourth Proportional to 12,436.66, 18,650.51 and 4,115.14

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Solution

The fourth proportional to 12,436.66, 18,650.51 and 4,115.14 is: 6,171.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.66 : 18,650.51 = 4,115.14 : x
  2. Step 2: Convert to fraction form
    12,436.66/18,650.51 = 4,115.14/x
  3. Step 3: Cross multiply
    12,436.66x = 18,650.51 × 4,115.14
  4. Step 4: Simplify right side
    12,436.66x = 76,749,459.72
  5. Step 5: Solve for x
    x = 76,749,459.72/12,436.66
  6. Step 6: Final answer
    x = 6,171.23

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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.