Home / 12,504.82-18,757.32-3,739.90

Finding the Fourth Proportional to 12,504.82, 18,757.32 and 3,739.90

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Solution

The fourth proportional to 12,504.82, 18,757.32 and 3,739.90 is: 5,609.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.82 : 18,757.32 = 3,739.90 : x
  2. Step 2: Convert to fraction form
    12,504.82/18,757.32 = 3,739.90/x
  3. Step 3: Cross multiply
    12,504.82x = 18,757.32 × 3,739.90
  4. Step 4: Simplify right side
    12,504.82x = 70,150,501.07
  5. Step 5: Solve for x
    x = 70,150,501.07/12,504.82
  6. Step 6: Final answer
    x = 5,609.88

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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.