Home / 11,216.73-16,827.30-3,819.21

Finding the Fourth Proportional to 11,216.73, 16,827.30 and 3,819.21

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Solution

The fourth proportional to 11,216.73, 16,827.30 and 3,819.21 is: 5,729.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.73 : 16,827.30 = 3,819.21 : x
  2. Step 2: Convert to fraction form
    11,216.73/16,827.30 = 3,819.21/x
  3. Step 3: Cross multiply
    11,216.73x = 16,827.30 × 3,819.21
  4. Step 4: Simplify right side
    11,216.73x = 64,266,992.43
  5. Step 5: Solve for x
    x = 64,266,992.43/11,216.73
  6. Step 6: Final answer
    x = 5,729.57

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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.