Home / 11,936.21-17,877.96-7,479.36

Finding the Fourth Proportional to 11,936.21, 17,877.96 and 7,479.36

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Solution

The fourth proportional to 11,936.21, 17,877.96 and 7,479.36 is: 11,202.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.21 : 17,877.96 = 7,479.36 : x
  2. Step 2: Convert to fraction form
    11,936.21/17,877.96 = 7,479.36/x
  3. Step 3: Cross multiply
    11,936.21x = 17,877.96 × 7,479.36
  4. Step 4: Simplify right side
    11,936.21x = 133,715,698.91
  5. Step 5: Solve for x
    x = 133,715,698.91/11,936.21
  6. Step 6: Final answer
    x = 11,202.53

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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.