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Finding the Fourth Proportional to 11,556, 17,336.88 and 3,348

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Solution

The fourth proportional to 11,556, 17,336.88 and 3,348 is: 5,022.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556 : 17,336.88 = 3,348 : x
  2. Step 2: Convert to fraction form
    11,556/17,336.88 = 3,348/x
  3. Step 3: Cross multiply
    11,556x = 17,336.88 × 3,348
  4. Step 4: Simplify right side
    11,556x = 58,043,874.24
  5. Step 5: Solve for x
    x = 58,043,874.24/11,556
  6. Step 6: Final answer
    x = 5,022.83

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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.