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Finding the Fourth Proportional to 17,850.52, 26,792.39 and 9,091.99

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Solution

The fourth proportional to 17,850.52, 26,792.39 and 9,091.99 is: 13,646.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,850.52 : 26,792.39 = 9,091.99 : x
  2. Step 2: Convert to fraction form
    17,850.52/26,792.39 = 9,091.99/x
  3. Step 3: Cross multiply
    17,850.52x = 26,792.39 × 9,091.99
  4. Step 4: Simplify right side
    17,850.52x = 243,596,141.96
  5. Step 5: Solve for x
    x = 243,596,141.96/17,850.52
  6. Step 6: Final answer
    x = 13,646.45

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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.