Home / 12,760.39-17,609.01-7,094.85

Finding the Fourth Proportional to 12,760.39, 17,609.01 and 7,094.85

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Solution

The fourth proportional to 12,760.39, 17,609.01 and 7,094.85 is: 9,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760.39 : 17,609.01 = 7,094.85 : x
  2. Step 2: Convert to fraction form
    12,760.39/17,609.01 = 7,094.85/x
  3. Step 3: Cross multiply
    12,760.39x = 17,609.01 × 7,094.85
  4. Step 4: Simplify right side
    12,760.39x = 124,933,231.87
  5. Step 5: Solve for x
    x = 124,933,231.87/12,760.39
  6. Step 6: Final answer
    x = 9,790.71

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Double scale
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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.