Home / 12,181.80-18,269.82-5,252.52

Finding the Fourth Proportional to 12,181.80, 18,269.82 and 5,252.52

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Solution

The fourth proportional to 12,181.80, 18,269.82 and 5,252.52 is: 7,877.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,181.80 : 18,269.82 = 5,252.52 : x
  2. Step 2: Convert to fraction form
    12,181.80/18,269.82 = 5,252.52/x
  3. Step 3: Cross multiply
    12,181.80x = 18,269.82 × 5,252.52
  4. Step 4: Simplify right side
    12,181.80x = 95,962,594.95
  5. Step 5: Solve for x
    x = 95,962,594.95/12,181.80
  6. Step 6: Final answer
    x = 7,877.54

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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.