Home / 12,575.14-18,865.44-3,810.73

Finding the Fourth Proportional to 12,575.14, 18,865.44 and 3,810.73

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Solution

The fourth proportional to 12,575.14, 18,865.44 and 3,810.73 is: 5,716.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.14 : 18,865.44 = 3,810.73 : x
  2. Step 2: Convert to fraction form
    12,575.14/18,865.44 = 3,810.73/x
  3. Step 3: Cross multiply
    12,575.14x = 18,865.44 × 3,810.73
  4. Step 4: Simplify right side
    12,575.14x = 71,891,098.17
  5. Step 5: Solve for x
    x = 71,891,098.17/12,575.14
  6. Step 6: Final answer
    x = 5,716.92

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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.