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Finding the Fourth Proportional to 11,021.37, 16,532 and 4,001.37

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Solution

The fourth proportional to 11,021.37, 16,532 and 4,001.37 is: 6,002.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.37 : 16,532 = 4,001.37 : x
  2. Step 2: Convert to fraction form
    11,021.37/16,532 = 4,001.37/x
  3. Step 3: Cross multiply
    11,021.37x = 16,532 × 4,001.37
  4. Step 4: Simplify right side
    11,021.37x = 66,150,648.84
  5. Step 5: Solve for x
    x = 66,150,648.84/11,021.37
  6. Step 6: Final answer
    x = 6,002.04

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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.