Home / 11,939.44-16,476.04-6,634.12

Finding the Fourth Proportional to 11,939.44, 16,476.04 and 6,634.12

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Solution

The fourth proportional to 11,939.44, 16,476.04 and 6,634.12 is: 9,154.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939.44 : 16,476.04 = 6,634.12 : x
  2. Step 2: Convert to fraction form
    11,939.44/16,476.04 = 6,634.12/x
  3. Step 3: Cross multiply
    11,939.44x = 16,476.04 × 6,634.12
  4. Step 4: Simplify right side
    11,939.44x = 109,304,026.48
  5. Step 5: Solve for x
    x = 109,304,026.48/11,939.44
  6. Step 6: Final answer
    x = 9,154.87

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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.