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Finding the Fourth Proportional to 17,991.91, 26,992.44 and 6,304.84

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Solution

The fourth proportional to 17,991.91, 26,992.44 and 6,304.84 is: 9,458.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,991.91 : 26,992.44 = 6,304.84 : x
  2. Step 2: Convert to fraction form
    17,991.91/26,992.44 = 6,304.84/x
  3. Step 3: Cross multiply
    17,991.91x = 26,992.44 × 6,304.84
  4. Step 4: Simplify right side
    17,991.91x = 170,183,015.41
  5. Step 5: Solve for x
    x = 170,183,015.41/17,991.91
  6. Step 6: Final answer
    x = 9,458.86

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1.5x scale

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.