Home / 12,436.66-18,651.11-4,114.81

Finding the Fourth Proportional to 12,436.66, 18,651.11 and 4,114.81

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Solution

The fourth proportional to 12,436.66, 18,651.11 and 4,114.81 is: 6,170.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.66 : 18,651.11 = 4,114.81 : x
  2. Step 2: Convert to fraction form
    12,436.66/18,651.11 = 4,114.81/x
  3. Step 3: Cross multiply
    12,436.66x = 18,651.11 × 4,114.81
  4. Step 4: Simplify right side
    12,436.66x = 76,745,680.68
  5. Step 5: Solve for x
    x = 76,745,680.68/12,436.66
  6. Step 6: Final answer
    x = 6,170.93

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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.