Home / 21,093.34-29,107.56-11,661.34

Finding the Fourth Proportional to 21,093.34, 29,107.56 and 11,661.34

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Solution

The fourth proportional to 21,093.34, 29,107.56 and 11,661.34 is: 16,091.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,093.34 : 29,107.56 = 11,661.34 : x
  2. Step 2: Convert to fraction form
    21,093.34/29,107.56 = 11,661.34/x
  3. Step 3: Cross multiply
    21,093.34x = 29,107.56 × 11,661.34
  4. Step 4: Simplify right side
    21,093.34x = 339,433,153.73
  5. Step 5: Solve for x
    x = 339,433,153.73/21,093.34
  6. Step 6: Final answer
    x = 16,091.96

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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.