Home / 21,060.88-29,063.82-11,629.54

Finding the Fourth Proportional to 21,060.88, 29,063.82 and 11,629.54

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Solution

The fourth proportional to 21,060.88, 29,063.82 and 11,629.54 is: 16,048.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060.88 : 29,063.82 = 11,629.54 : x
  2. Step 2: Convert to fraction form
    21,060.88/29,063.82 = 11,629.54/x
  3. Step 3: Cross multiply
    21,060.88x = 29,063.82 × 11,629.54
  4. Step 4: Simplify right side
    21,060.88x = 337,998,857.24
  5. Step 5: Solve for x
    x = 337,998,857.24/21,060.88
  6. Step 6: Final answer
    x = 16,048.66

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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.