Home / 21,227.28-29,294.64-11,796

Finding the Fourth Proportional to 21,227.28, 29,294.64 and 11,796

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Solution

The fourth proportional to 21,227.28, 29,294.64 and 11,796 is: 16,279.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,227.28 : 29,294.64 = 11,796 : x
  2. Step 2: Convert to fraction form
    21,227.28/29,294.64 = 11,796/x
  3. Step 3: Cross multiply
    21,227.28x = 29,294.64 × 11,796
  4. Step 4: Simplify right side
    21,227.28x = 345,559,573.44
  5. Step 5: Solve for x
    x = 345,559,573.44/21,227.28
  6. Step 6: Final answer
    x = 16,279.03

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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.