Home / 17,989.87-26,984.84-6,747.75

Finding the Fourth Proportional to 17,989.87, 26,984.84 and 6,747.75

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Solution

The fourth proportional to 17,989.87, 26,984.84 and 6,747.75 is: 10,121.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,989.87 : 26,984.84 = 6,747.75 : x
  2. Step 2: Convert to fraction form
    17,989.87/26,984.84 = 6,747.75/x
  3. Step 3: Cross multiply
    17,989.87x = 26,984.84 × 6,747.75
  4. Step 4: Simplify right side
    17,989.87x = 182,086,954.11
  5. Step 5: Solve for x
    x = 182,086,954.11/17,989.87
  6. Step 6: Final answer
    x = 10,121.64

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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.