Home / 11,876.14-17,813.68-3,110.86

Finding the Fourth Proportional to 11,876.14, 17,813.68 and 3,110.86

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Solution

The fourth proportional to 11,876.14, 17,813.68 and 3,110.86 is: 4,666.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.14 : 17,813.68 = 3,110.86 : x
  2. Step 2: Convert to fraction form
    11,876.14/17,813.68 = 3,110.86/x
  3. Step 3: Cross multiply
    11,876.14x = 17,813.68 × 3,110.86
  4. Step 4: Simplify right side
    11,876.14x = 55,415,864.56
  5. Step 5: Solve for x
    x = 55,415,864.56/11,876.14
  6. Step 6: Final answer
    x = 4,666.15

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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.