Home / 21,060.64-29,063.72-11,629.21

Finding the Fourth Proportional to 21,060.64, 29,063.72 and 11,629.21

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Solution

The fourth proportional to 21,060.64, 29,063.72 and 11,629.21 is: 16,048.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060.64 : 29,063.72 = 11,629.21 : x
  2. Step 2: Convert to fraction form
    21,060.64/29,063.72 = 11,629.21/x
  3. Step 3: Cross multiply
    21,060.64x = 29,063.72 × 11,629.21
  4. Step 4: Simplify right side
    21,060.64x = 337,988,103.26
  5. Step 5: Solve for x
    x = 337,988,103.26/21,060.64
  6. Step 6: Final answer
    x = 16,048.33

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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.