Home / 9,769.62-13,487.82-6,418.26

Finding the Fourth Proportional to 9,769.62, 13,487.82 and 6,418.26

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Solution

The fourth proportional to 9,769.62, 13,487.82 and 6,418.26 is: 8,860.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,769.62 : 13,487.82 = 6,418.26 : x
  2. Step 2: Convert to fraction form
    9,769.62/13,487.82 = 6,418.26/x
  3. Step 3: Cross multiply
    9,769.62x = 13,487.82 × 6,418.26
  4. Step 4: Simplify right side
    9,769.62x = 86,568,335.59
  5. Step 5: Solve for x
    x = 86,568,335.59/9,769.62
  6. Step 6: Final answer
    x = 8,860.97

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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.