Home / 17,817.88-26,734.56-11,169.60

Finding the Fourth Proportional to 17,817.88, 26,734.56 and 11,169.60

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Solution

The fourth proportional to 17,817.88, 26,734.56 and 11,169.60 is: 16,759.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,817.88 : 26,734.56 = 11,169.60 : x
  2. Step 2: Convert to fraction form
    17,817.88/26,734.56 = 11,169.60/x
  3. Step 3: Cross multiply
    17,817.88x = 26,734.56 × 11,169.60
  4. Step 4: Simplify right side
    17,817.88x = 298,614,341.38
  5. Step 5: Solve for x
    x = 298,614,341.38/17,817.88
  6. Step 6: Final answer
    x = 16,759.25

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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.