Home / 21,022.24-29,010.91-11,462.05

Finding the Fourth Proportional to 21,022.24, 29,010.91 and 11,462.05

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Solution

The fourth proportional to 21,022.24, 29,010.91 and 11,462.05 is: 15,817.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,022.24 : 29,010.91 = 11,462.05 : x
  2. Step 2: Convert to fraction form
    21,022.24/29,010.91 = 11,462.05/x
  3. Step 3: Cross multiply
    21,022.24x = 29,010.91 × 11,462.05
  4. Step 4: Simplify right side
    21,022.24x = 332,524,355.91
  5. Step 5: Solve for x
    x = 332,524,355.91/21,022.24
  6. Step 6: Final answer
    x = 15,817.75

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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.