Home / 11,455.88-17,183-3,558.20

Finding the Fourth Proportional to 11,455.88, 17,183 and 3,558.20

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Solution

The fourth proportional to 11,455.88, 17,183 and 3,558.20 is: 5,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.88 : 17,183 = 3,558.20 : x
  2. Step 2: Convert to fraction form
    11,455.88/17,183 = 3,558.20/x
  3. Step 3: Cross multiply
    11,455.88x = 17,183 × 3,558.20
  4. Step 4: Simplify right side
    11,455.88x = 61,140,550.60
  5. Step 5: Solve for x
    x = 61,140,550.60/11,455.88
  6. Step 6: Final answer
    x = 5,337.05

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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.