Home / 11,927.12-17,879.72-6,076.88

Finding the Fourth Proportional to 11,927.12, 17,879.72 and 6,076.88

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Solution

The fourth proportional to 11,927.12, 17,879.72 and 6,076.88 is: 9,109.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.12 : 17,879.72 = 6,076.88 : x
  2. Step 2: Convert to fraction form
    11,927.12/17,879.72 = 6,076.88/x
  3. Step 3: Cross multiply
    11,927.12x = 17,879.72 × 6,076.88
  4. Step 4: Simplify right side
    11,927.12x = 108,652,912.87
  5. Step 5: Solve for x
    x = 108,652,912.87/11,927.12
  6. Step 6: Final answer
    x = 9,109.74

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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.