Home / 9,961.26-13,743.25-6,426.82

Finding the Fourth Proportional to 9,961.26, 13,743.25 and 6,426.82

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Solution

The fourth proportional to 9,961.26, 13,743.25 and 6,426.82 is: 8,866.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.26 : 13,743.25 = 6,426.82 : x
  2. Step 2: Convert to fraction form
    9,961.26/13,743.25 = 6,426.82/x
  3. Step 3: Cross multiply
    9,961.26x = 13,743.25 × 6,426.82
  4. Step 4: Simplify right side
    9,961.26x = 88,325,431.23
  5. Step 5: Solve for x
    x = 88,325,431.23/9,961.26
  6. Step 6: Final answer
    x = 8,866.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.