Home / 21,269.26-29,351.30-11,837.82

Finding the Fourth Proportional to 21,269.26, 29,351.30 and 11,837.82

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Solution

The fourth proportional to 21,269.26, 29,351.30 and 11,837.82 is: 16,336.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,269.26 : 29,351.30 = 11,837.82 : x
  2. Step 2: Convert to fraction form
    21,269.26/29,351.30 = 11,837.82/x
  3. Step 3: Cross multiply
    21,269.26x = 29,351.30 × 11,837.82
  4. Step 4: Simplify right side
    21,269.26x = 347,455,457.04
  5. Step 5: Solve for x
    x = 347,455,457.04/21,269.26
  6. Step 6: Final answer
    x = 16,336.04

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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.