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Finding the Fourth Proportional to 11,371.62, 17,062.62 and 5,133.27

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Solution

The fourth proportional to 11,371.62, 17,062.62 and 5,133.27 is: 7,702.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,371.62 : 17,062.62 = 5,133.27 : x
  2. Step 2: Convert to fraction form
    11,371.62/17,062.62 = 5,133.27/x
  3. Step 3: Cross multiply
    11,371.62x = 17,062.62 × 5,133.27
  4. Step 4: Simplify right side
    11,371.62x = 87,587,035.37
  5. Step 5: Solve for x
    x = 87,587,035.37/11,371.62
  6. Step 6: Final answer
    x = 7,702.25

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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.