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Finding the Fourth Proportional to 17,662.73, 26,489.94 and 6,574.64

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Solution

The fourth proportional to 17,662.73, 26,489.94 and 6,574.64 is: 9,860.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,662.73 : 26,489.94 = 6,574.64 : x
  2. Step 2: Convert to fraction form
    17,662.73/26,489.94 = 6,574.64/x
  3. Step 3: Cross multiply
    17,662.73x = 26,489.94 × 6,574.64
  4. Step 4: Simplify right side
    17,662.73x = 174,161,686.67
  5. Step 5: Solve for x
    x = 174,161,686.67/17,662.73
  6. Step 6: Final answer
    x = 9,860.41

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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.