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Finding the Fourth Proportional to 12,499.26, 18,744.30 and 3,731.22

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Solution

The fourth proportional to 12,499.26, 18,744.30 and 3,731.22 is: 5,595.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,499.26 : 18,744.30 = 3,731.22 : x
  2. Step 2: Convert to fraction form
    12,499.26/18,744.30 = 3,731.22/x
  3. Step 3: Cross multiply
    12,499.26x = 18,744.30 × 3,731.22
  4. Step 4: Simplify right side
    12,499.26x = 69,939,107.05
  5. Step 5: Solve for x
    x = 69,939,107.05/12,499.26
  6. Step 6: Final answer
    x = 5,595.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.