Home / 12,269.88-18,399.96-3,502.44

Finding the Fourth Proportional to 12,269.88, 18,399.96 and 3,502.44

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Solution

The fourth proportional to 12,269.88, 18,399.96 and 3,502.44 is: 5,252.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.88 : 18,399.96 = 3,502.44 : x
  2. Step 2: Convert to fraction form
    12,269.88/18,399.96 = 3,502.44/x
  3. Step 3: Cross multiply
    12,269.88x = 18,399.96 × 3,502.44
  4. Step 4: Simplify right side
    12,269.88x = 64,444,755.90
  5. Step 5: Solve for x
    x = 64,444,755.90/12,269.88
  6. Step 6: Final answer
    x = 5,252.27

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1.5x scale

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.