Home / 21,060.88-29,063.94-11,629.39

Finding the Fourth Proportional to 21,060.88, 29,063.94 and 11,629.39

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Solution

The fourth proportional to 21,060.88, 29,063.94 and 11,629.39 is: 16,048.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060.88 : 29,063.94 = 11,629.39 : x
  2. Step 2: Convert to fraction form
    21,060.88/29,063.94 = 11,629.39/x
  3. Step 3: Cross multiply
    21,060.88x = 29,063.94 × 11,629.39
  4. Step 4: Simplify right side
    21,060.88x = 337,995,893.20
  5. Step 5: Solve for x
    x = 337,995,893.20/21,060.88
  6. Step 6: Final answer
    x = 16,048.52

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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.