Home / 11,004-16,505.52-5,455.20

Finding the Fourth Proportional to 11,004, 16,505.52 and 5,455.20

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Solution

The fourth proportional to 11,004, 16,505.52 and 5,455.20 is: 8,182.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004 : 16,505.52 = 5,455.20 : x
  2. Step 2: Convert to fraction form
    11,004/16,505.52 = 5,455.20/x
  3. Step 3: Cross multiply
    11,004x = 16,505.52 × 5,455.20
  4. Step 4: Simplify right side
    11,004x = 90,040,912.70
  5. Step 5: Solve for x
    x = 90,040,912.70/11,004
  6. Step 6: Final answer
    x = 8,182.56

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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.