Home / 11,939.07-17,907.24-3,174.66

Finding the Fourth Proportional to 11,939.07, 17,907.24 and 3,174.66

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Solution

The fourth proportional to 11,939.07, 17,907.24 and 3,174.66 is: 4,761.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.07 : 17,907.24 = 3,174.66 : x
  2. Step 2: Convert to fraction form
    11,939.07/17,907.24 = 3,174.66/x
  3. Step 3: Cross multiply
    11,939.07x = 17,907.24 × 3,174.66
  4. Step 4: Simplify right side
    11,939.07x = 56,849,398.54
  5. Step 5: Solve for x
    x = 56,849,398.54/11,939.07
  6. Step 6: Final answer
    x = 4,761.63

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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.