Home / 14,183.82-21,274.08-5,418.54

Finding the Fourth Proportional to 14,183.82, 21,274.08 and 5,418.54

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Solution

The fourth proportional to 14,183.82, 21,274.08 and 5,418.54 is: 8,127.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.82 : 21,274.08 = 5,418.54 : x
  2. Step 2: Convert to fraction form
    14,183.82/21,274.08 = 5,418.54/x
  3. Step 3: Cross multiply
    14,183.82x = 21,274.08 × 5,418.54
  4. Step 4: Simplify right side
    14,183.82x = 115,274,453.44
  5. Step 5: Solve for x
    x = 115,274,453.44/14,183.82
  6. Step 6: Final answer
    x = 8,127.18

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1.5x scale

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.