Home / 11,676.68-17,431.86-11,266.61

Finding the Fourth Proportional to 11,676.68, 17,431.86 and 11,266.61

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Solution

The fourth proportional to 11,676.68, 17,431.86 and 11,266.61 is: 16,819.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,676.68 : 17,431.86 = 11,266.61 : x
  2. Step 2: Convert to fraction form
    11,676.68/17,431.86 = 11,266.61/x
  3. Step 3: Cross multiply
    11,676.68x = 17,431.86 × 11,266.61
  4. Step 4: Simplify right side
    11,676.68x = 196,397,911.86
  5. Step 5: Solve for x
    x = 196,397,911.86/11,676.68
  6. Step 6: Final answer
    x = 16,819.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.