Home / 21,092.22-29,104.71-11,660.94

Finding the Fourth Proportional to 21,092.22, 29,104.71 and 11,660.94

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Solution

The fourth proportional to 21,092.22, 29,104.71 and 11,660.94 is: 16,090.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,092.22 : 29,104.71 = 11,660.94 : x
  2. Step 2: Convert to fraction form
    21,092.22/29,104.71 = 11,660.94/x
  3. Step 3: Cross multiply
    21,092.22x = 29,104.71 × 11,660.94
  4. Step 4: Simplify right side
    21,092.22x = 339,388,277.03
  5. Step 5: Solve for x
    x = 339,388,277.03/21,092.22
  6. Step 6: Final answer
    x = 16,090.69

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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.