Home / 12,249.39-18,381.17-5,675.23

Finding the Fourth Proportional to 12,249.39, 18,381.17 and 5,675.23

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Solution

The fourth proportional to 12,249.39, 18,381.17 and 5,675.23 is: 8,516.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.39 : 18,381.17 = 5,675.23 : x
  2. Step 2: Convert to fraction form
    12,249.39/18,381.17 = 5,675.23/x
  3. Step 3: Cross multiply
    12,249.39x = 18,381.17 × 5,675.23
  4. Step 4: Simplify right side
    12,249.39x = 104,317,335.65
  5. Step 5: Solve for x
    x = 104,317,335.65/12,249.39
  6. Step 6: Final answer
    x = 8,516.12

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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.