Home / 11,676.20-17,514.40-2,910.78

Finding the Fourth Proportional to 11,676.20, 17,514.40 and 2,910.78

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Solution

The fourth proportional to 11,676.20, 17,514.40 and 2,910.78 is: 4,366.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,676.20 : 17,514.40 = 2,910.78 : x
  2. Step 2: Convert to fraction form
    11,676.20/17,514.40 = 2,910.78/x
  3. Step 3: Cross multiply
    11,676.20x = 17,514.40 × 2,910.78
  4. Step 4: Simplify right side
    11,676.20x = 50,980,565.23
  5. Step 5: Solve for x
    x = 50,980,565.23/11,676.20
  6. Step 6: Final answer
    x = 4,366.19

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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.