Home / 21,022.06-29,010.09-11,462.05

Finding the Fourth Proportional to 21,022.06, 29,010.09 and 11,462.05

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Solution

The fourth proportional to 21,022.06, 29,010.09 and 11,462.05 is: 15,817.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,022.06 : 29,010.09 = 11,462.05 : x
  2. Step 2: Convert to fraction form
    21,022.06/29,010.09 = 11,462.05/x
  3. Step 3: Cross multiply
    21,022.06x = 29,010.09 × 11,462.05
  4. Step 4: Simplify right side
    21,022.06x = 332,515,102.08
  5. Step 5: Solve for x
    x = 332,515,102.08/21,022.06
  6. Step 6: Final answer
    x = 15,817.44

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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.