Home / 12,575.46-18,865.14-3,808.29

Finding the Fourth Proportional to 12,575.46, 18,865.14 and 3,808.29

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Solution

The fourth proportional to 12,575.46, 18,865.14 and 3,808.29 is: 5,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.46 : 18,865.14 = 3,808.29 : x
  2. Step 2: Convert to fraction form
    12,575.46/18,865.14 = 3,808.29/x
  3. Step 3: Cross multiply
    12,575.46x = 18,865.14 × 3,808.29
  4. Step 4: Simplify right side
    12,575.46x = 71,843,924.01
  5. Step 5: Solve for x
    x = 71,843,924.01/12,575.46
  6. Step 6: Final answer
    x = 5,713.03

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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.