Home / 19,792.26-29,689.30-11,020.56

Finding the Fourth Proportional to 19,792.26, 29,689.30 and 11,020.56

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Solution

The fourth proportional to 19,792.26, 29,689.30 and 11,020.56 is: 16,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.26 : 29,689.30 = 11,020.56 : x
  2. Step 2: Convert to fraction form
    19,792.26/29,689.30 = 11,020.56/x
  3. Step 3: Cross multiply
    19,792.26x = 29,689.30 × 11,020.56
  4. Step 4: Simplify right side
    19,792.26x = 327,192,712.01
  5. Step 5: Solve for x
    x = 327,192,712.01/19,792.26
  6. Step 6: Final answer
    x = 16,531.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.