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Finding the Fourth Proportional to 17,073.72, 25,664.04 and 11,267.64

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Solution

The fourth proportional to 17,073.72, 25,664.04 and 11,267.64 is: 16,936.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,073.72 : 25,664.04 = 11,267.64 : x
  2. Step 2: Convert to fraction form
    17,073.72/25,664.04 = 11,267.64/x
  3. Step 3: Cross multiply
    17,073.72x = 25,664.04 × 11,267.64
  4. Step 4: Simplify right side
    17,073.72x = 289,173,163.67
  5. Step 5: Solve for x
    x = 289,173,163.67/17,073.72
  6. Step 6: Final answer
    x = 16,936.74

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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.