Home / 11,889.36-17,796.78-7,932.84

Finding the Fourth Proportional to 11,889.36, 17,796.78 and 7,932.84

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Solution

The fourth proportional to 11,889.36, 17,796.78 and 7,932.84 is: 11,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.36 : 17,796.78 = 7,932.84 : x
  2. Step 2: Convert to fraction form
    11,889.36/17,796.78 = 7,932.84/x
  3. Step 3: Cross multiply
    11,889.36x = 17,796.78 × 7,932.84
  4. Step 4: Simplify right side
    11,889.36x = 141,179,008.26
  5. Step 5: Solve for x
    x = 141,179,008.26/11,889.36
  6. Step 6: Final answer
    x = 11,874.40

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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.