Home / 11,743.62-17,609.84-6,814.78

Finding the Fourth Proportional to 11,743.62, 17,609.84 and 6,814.78

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Solution

The fourth proportional to 11,743.62, 17,609.84 and 6,814.78 is: 10,218.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743.62 : 17,609.84 = 6,814.78 : x
  2. Step 2: Convert to fraction form
    11,743.62/17,609.84 = 6,814.78/x
  3. Step 3: Cross multiply
    11,743.62x = 17,609.84 × 6,814.78
  4. Step 4: Simplify right side
    11,743.62x = 120,007,185.44
  5. Step 5: Solve for x
    x = 120,007,185.44/11,743.62
  6. Step 6: Final answer
    x = 10,218.93

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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.