Home / 16,943.22-25,361.51-11,647.31

Finding the Fourth Proportional to 16,943.22, 25,361.51 and 11,647.31

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Solution

The fourth proportional to 16,943.22, 25,361.51 and 11,647.31 is: 17,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.22 : 25,361.51 = 11,647.31 : x
  2. Step 2: Convert to fraction form
    16,943.22/25,361.51 = 11,647.31/x
  3. Step 3: Cross multiply
    16,943.22x = 25,361.51 × 11,647.31
  4. Step 4: Simplify right side
    16,943.22x = 295,393,183.99
  5. Step 5: Solve for x
    x = 295,393,183.99/16,943.22
  6. Step 6: Final answer
    x = 17,434.30

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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.