Home / 12,474.24-18,714.46-3,709.15

Finding the Fourth Proportional to 12,474.24, 18,714.46 and 3,709.15

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Solution

The fourth proportional to 12,474.24, 18,714.46 and 3,709.15 is: 5,564.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.24 : 18,714.46 = 3,709.15 : x
  2. Step 2: Convert to fraction form
    12,474.24/18,714.46 = 3,709.15/x
  3. Step 3: Cross multiply
    12,474.24x = 18,714.46 × 3,709.15
  4. Step 4: Simplify right side
    12,474.24x = 69,414,739.31
  5. Step 5: Solve for x
    x = 69,414,739.31/12,474.24
  6. Step 6: Final answer
    x = 5,564.65

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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.