Home / 18,467.24-27,704.51-6,780.56

Finding the Fourth Proportional to 18,467.24, 27,704.51 and 6,780.56

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Solution

The fourth proportional to 18,467.24, 27,704.51 and 6,780.56 is: 10,172.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467.24 : 27,704.51 = 6,780.56 : x
  2. Step 2: Convert to fraction form
    18,467.24/27,704.51 = 6,780.56/x
  3. Step 3: Cross multiply
    18,467.24x = 27,704.51 × 6,780.56
  4. Step 4: Simplify right side
    18,467.24x = 187,851,919.90
  5. Step 5: Solve for x
    x = 187,851,919.90/18,467.24
  6. Step 6: Final answer
    x = 10,172.17

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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.