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Finding the Fourth Proportional to 12,502.88, 18,754.49 and 3,268.88

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Solution

The fourth proportional to 12,502.88, 18,754.49 and 3,268.88 is: 4,903.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.88 : 18,754.49 = 3,268.88 : x
  2. Step 2: Convert to fraction form
    12,502.88/18,754.49 = 3,268.88/x
  3. Step 3: Cross multiply
    12,502.88x = 18,754.49 × 3,268.88
  4. Step 4: Simplify right side
    12,502.88x = 61,306,091.67
  5. Step 5: Solve for x
    x = 61,306,091.67/12,502.88
  6. Step 6: Final answer
    x = 4,903.36

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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.