Home / 9,169.21-13,770.83-6,397.80

Finding the Fourth Proportional to 9,169.21, 13,770.83 and 6,397.80

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Solution

The fourth proportional to 9,169.21, 13,770.83 and 6,397.80 is: 9,608.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.21 : 13,770.83 = 6,397.80 : x
  2. Step 2: Convert to fraction form
    9,169.21/13,770.83 = 6,397.80/x
  3. Step 3: Cross multiply
    9,169.21x = 13,770.83 × 6,397.80
  4. Step 4: Simplify right side
    9,169.21x = 88,103,016.17
  5. Step 5: Solve for x
    x = 88,103,016.17/9,169.21
  6. Step 6: Final answer
    x = 9,608.57

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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.