Home / 11,622.55-17,431.99-5,046.97

Finding the Fourth Proportional to 11,622.55, 17,431.99 and 5,046.97

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Solution

The fourth proportional to 11,622.55, 17,431.99 and 5,046.97 is: 7,569.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.55 : 17,431.99 = 5,046.97 : x
  2. Step 2: Convert to fraction form
    11,622.55/17,431.99 = 5,046.97/x
  3. Step 3: Cross multiply
    11,622.55x = 17,431.99 × 5,046.97
  4. Step 4: Simplify right side
    11,622.55x = 87,978,730.57
  5. Step 5: Solve for x
    x = 87,978,730.57/11,622.55
  6. Step 6: Final answer
    x = 7,569.66

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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.