Home / 12,249.82-18,375.33-3,485.35

Finding the Fourth Proportional to 12,249.82, 18,375.33 and 3,485.35

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Solution

The fourth proportional to 12,249.82, 18,375.33 and 3,485.35 is: 5,228.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.82 : 18,375.33 = 3,485.35 : x
  2. Step 2: Convert to fraction form
    12,249.82/18,375.33 = 3,485.35/x
  3. Step 3: Cross multiply
    12,249.82x = 18,375.33 × 3,485.35
  4. Step 4: Simplify right side
    12,249.82x = 64,044,364.54
  5. Step 5: Solve for x
    x = 64,044,364.54/12,249.82
  6. Step 6: Final answer
    x = 5,228.19

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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.