Home / 21,196.36-29,251.94-11,765

Finding the Fourth Proportional to 21,196.36, 29,251.94 and 11,765

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Solution

The fourth proportional to 21,196.36, 29,251.94 and 11,765 is: 16,236.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,196.36 : 29,251.94 = 11,765 : x
  2. Step 2: Convert to fraction form
    21,196.36/29,251.94 = 11,765/x
  3. Step 3: Cross multiply
    21,196.36x = 29,251.94 × 11,765
  4. Step 4: Simplify right side
    21,196.36x = 344,149,074.10
  5. Step 5: Solve for x
    x = 344,149,074.10/21,196.36
  6. Step 6: Final answer
    x = 16,236.23

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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.