Home / 12,254.46-18,379.11-3,487.02

Finding the Fourth Proportional to 12,254.46, 18,379.11 and 3,487.02

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Solution

The fourth proportional to 12,254.46, 18,379.11 and 3,487.02 is: 5,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.46 : 18,379.11 = 3,487.02 : x
  2. Step 2: Convert to fraction form
    12,254.46/18,379.11 = 3,487.02/x
  3. Step 3: Cross multiply
    12,254.46x = 18,379.11 × 3,487.02
  4. Step 4: Simplify right side
    12,254.46x = 64,088,324.15
  5. Step 5: Solve for x
    x = 64,088,324.15/12,254.46
  6. Step 6: Final answer
    x = 5,229.80

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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.