Home / 21,092.43-29,106.09-11,660.25

Finding the Fourth Proportional to 21,092.43, 29,106.09 and 11,660.25

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Solution

The fourth proportional to 21,092.43, 29,106.09 and 11,660.25 is: 16,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,092.43 : 29,106.09 = 11,660.25 : x
  2. Step 2: Convert to fraction form
    21,092.43/29,106.09 = 11,660.25/x
  3. Step 3: Cross multiply
    21,092.43x = 29,106.09 × 11,660.25
  4. Step 4: Simplify right side
    21,092.43x = 339,384,285.92
  5. Step 5: Solve for x
    x = 339,384,285.92/21,092.43
  6. Step 6: Final answer
    x = 16,090.34

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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.