Home / 21,094.43-29,109.11-11,662.38

Finding the Fourth Proportional to 21,094.43, 29,109.11 and 11,662.38

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Solution

The fourth proportional to 21,094.43, 29,109.11 and 11,662.38 is: 16,093.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,094.43 : 29,109.11 = 11,662.38 : x
  2. Step 2: Convert to fraction form
    21,094.43/29,109.11 = 11,662.38/x
  3. Step 3: Cross multiply
    21,094.43x = 29,109.11 × 11,662.38
  4. Step 4: Simplify right side
    21,094.43x = 339,481,443.97
  5. Step 5: Solve for x
    x = 339,481,443.97/21,094.43
  6. Step 6: Final answer
    x = 16,093.42

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1.5x scale

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.