Home / 21,267.72-29,350.62-11,836.08

Finding the Fourth Proportional to 21,267.72, 29,350.62 and 11,836.08

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Solution

The fourth proportional to 21,267.72, 29,350.62 and 11,836.08 is: 16,334.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,267.72 : 29,350.62 = 11,836.08 : x
  2. Step 2: Convert to fraction form
    21,267.72/29,350.62 = 11,836.08/x
  3. Step 3: Cross multiply
    21,267.72x = 29,350.62 × 11,836.08
  4. Step 4: Simplify right side
    21,267.72x = 347,396,286.37
  5. Step 5: Solve for x
    x = 347,396,286.37/21,267.72
  6. Step 6: Final answer
    x = 16,334.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.