Home / 11,887.62-17,814.41-6,682.56

Finding the Fourth Proportional to 11,887.62, 17,814.41 and 6,682.56

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Solution

The fourth proportional to 11,887.62, 17,814.41 and 6,682.56 is: 10,014.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.62 : 17,814.41 = 6,682.56 : x
  2. Step 2: Convert to fraction form
    11,887.62/17,814.41 = 6,682.56/x
  3. Step 3: Cross multiply
    11,887.62x = 17,814.41 × 6,682.56
  4. Step 4: Simplify right side
    11,887.62x = 119,045,863.69
  5. Step 5: Solve for x
    x = 119,045,863.69/11,887.62
  6. Step 6: Final answer
    x = 10,014.27

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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.