Home / 11,375.10-17,064.26-3,977.88

Finding the Fourth Proportional to 11,375.10, 17,064.26 and 3,977.88

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Solution

The fourth proportional to 11,375.10, 17,064.26 and 3,977.88 is: 5,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.10 : 17,064.26 = 3,977.88 : x
  2. Step 2: Convert to fraction form
    11,375.10/17,064.26 = 3,977.88/x
  3. Step 3: Cross multiply
    11,375.10x = 17,064.26 × 3,977.88
  4. Step 4: Simplify right side
    11,375.10x = 67,879,558.68
  5. Step 5: Solve for x
    x = 67,879,558.68/11,375.10
  6. Step 6: Final answer
    x = 5,967.38

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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.