Home / 17,989.44-26,986.42-6,145.45

Finding the Fourth Proportional to 17,989.44, 26,986.42 and 6,145.45

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Solution

The fourth proportional to 17,989.44, 26,986.42 and 6,145.45 is: 9,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,989.44 : 26,986.42 = 6,145.45 : x
  2. Step 2: Convert to fraction form
    17,989.44/26,986.42 = 6,145.45/x
  3. Step 3: Cross multiply
    17,989.44x = 26,986.42 × 6,145.45
  4. Step 4: Simplify right side
    17,989.44x = 165,843,694.79
  5. Step 5: Solve for x
    x = 165,843,694.79/17,989.44
  6. Step 6: Final answer
    x = 9,218.95

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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.