Home / 11,788.24-17,682.24-3,890.56

Finding the Fourth Proportional to 11,788.24, 17,682.24 and 3,890.56

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Solution

The fourth proportional to 11,788.24, 17,682.24 and 3,890.56 is: 5,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,788.24 : 17,682.24 = 3,890.56 : x
  2. Step 2: Convert to fraction form
    11,788.24/17,682.24 = 3,890.56/x
  3. Step 3: Cross multiply
    11,788.24x = 17,682.24 × 3,890.56
  4. Step 4: Simplify right side
    11,788.24x = 68,793,815.65
  5. Step 5: Solve for x
    x = 68,793,815.65/11,788.24
  6. Step 6: Final answer
    x = 5,835.80

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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.