Home / 11,113.39-16,669.68-3,322

Finding the Fourth Proportional to 11,113.39, 16,669.68 and 3,322

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Solution

The fourth proportional to 11,113.39, 16,669.68 and 3,322 is: 4,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.39 : 16,669.68 = 3,322 : x
  2. Step 2: Convert to fraction form
    11,113.39/16,669.68 = 3,322/x
  3. Step 3: Cross multiply
    11,113.39x = 16,669.68 × 3,322
  4. Step 4: Simplify right side
    11,113.39x = 55,376,676.96
  5. Step 5: Solve for x
    x = 55,376,676.96/11,113.39
  6. Step 6: Final answer
    x = 4,982.88

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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.