Home / 13,245.75-19,867.16-3,885.84

Finding the Fourth Proportional to 13,245.75, 19,867.16 and 3,885.84

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Solution

The fourth proportional to 13,245.75, 19,867.16 and 3,885.84 is: 5,828.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.75 : 19,867.16 = 3,885.84 : x
  2. Step 2: Convert to fraction form
    13,245.75/19,867.16 = 3,885.84/x
  3. Step 3: Cross multiply
    13,245.75x = 19,867.16 × 3,885.84
  4. Step 4: Simplify right side
    13,245.75x = 77,200,614.73
  5. Step 5: Solve for x
    x = 77,200,614.73/13,245.75
  6. Step 6: Final answer
    x = 5,828.33

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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.