Home / 21,183.70-29,233.54-11,752.26

Finding the Fourth Proportional to 21,183.70, 29,233.54 and 11,752.26

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Solution

The fourth proportional to 21,183.70, 29,233.54 and 11,752.26 is: 16,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,183.70 : 29,233.54 = 11,752.26 : x
  2. Step 2: Convert to fraction form
    21,183.70/29,233.54 = 11,752.26/x
  3. Step 3: Cross multiply
    21,183.70x = 29,233.54 × 11,752.26
  4. Step 4: Simplify right side
    21,183.70x = 343,560,104.04
  5. Step 5: Solve for x
    x = 343,560,104.04/21,183.70
  6. Step 6: Final answer
    x = 16,218.14

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1.5x scale

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.