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Finding the Fourth Proportional to 17,100, 23,602 and 11,121.32

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Solution

The fourth proportional to 17,100, 23,602 and 11,121.32 is: 15,350.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,100 : 23,602 = 11,121.32 : x
  2. Step 2: Convert to fraction form
    17,100/23,602 = 11,121.32/x
  3. Step 3: Cross multiply
    17,100x = 23,602 × 11,121.32
  4. Step 4: Simplify right side
    17,100x = 262,485,394.64
  5. Step 5: Solve for x
    x = 262,485,394.64/17,100
  6. Step 6: Final answer
    x = 15,350.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.