Home / 12,175.46-18,265.92-3,855.96

Finding the Fourth Proportional to 12,175.46, 18,265.92 and 3,855.96

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Solution

The fourth proportional to 12,175.46, 18,265.92 and 3,855.96 is: 5,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.46 : 18,265.92 = 3,855.96 : x
  2. Step 2: Convert to fraction form
    12,175.46/18,265.92 = 3,855.96/x
  3. Step 3: Cross multiply
    12,175.46x = 18,265.92 × 3,855.96
  4. Step 4: Simplify right side
    12,175.46x = 70,432,656.88
  5. Step 5: Solve for x
    x = 70,432,656.88/12,175.46
  6. Step 6: Final answer
    x = 5,784.80

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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.