Home / 17,986.74-26,969.67-5,503.20

Finding the Fourth Proportional to 17,986.74, 26,969.67 and 5,503.20

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Solution

The fourth proportional to 17,986.74, 26,969.67 and 5,503.20 is: 8,251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,986.74 : 26,969.67 = 5,503.20 : x
  2. Step 2: Convert to fraction form
    17,986.74/26,969.67 = 5,503.20/x
  3. Step 3: Cross multiply
    17,986.74x = 26,969.67 × 5,503.20
  4. Step 4: Simplify right side
    17,986.74x = 148,419,487.94
  5. Step 5: Solve for x
    x = 148,419,487.94/17,986.74
  6. Step 6: Final answer
    x = 8,251.61

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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.