Home / 11,163.87-16,746.21-3,372.75

Finding the Fourth Proportional to 11,163.87, 16,746.21 and 3,372.75

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Solution

The fourth proportional to 11,163.87, 16,746.21 and 3,372.75 is: 5,059.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.87 : 16,746.21 = 3,372.75 : x
  2. Step 2: Convert to fraction form
    11,163.87/16,746.21 = 3,372.75/x
  3. Step 3: Cross multiply
    11,163.87x = 16,746.21 × 3,372.75
  4. Step 4: Simplify right side
    11,163.87x = 56,480,779.78
  5. Step 5: Solve for x
    x = 56,480,779.78/11,163.87
  6. Step 6: Final answer
    x = 5,059.25

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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.