Home / 12,514.22-17,249.60-8,479.82

Finding the Fourth Proportional to 12,514.22, 17,249.60 and 8,479.82

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Solution

The fourth proportional to 12,514.22, 17,249.60 and 8,479.82 is: 11,688.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,514.22 : 17,249.60 = 8,479.82 : x
  2. Step 2: Convert to fraction form
    12,514.22/17,249.60 = 8,479.82/x
  3. Step 3: Cross multiply
    12,514.22x = 17,249.60 × 8,479.82
  4. Step 4: Simplify right side
    12,514.22x = 146,273,503.07
  5. Step 5: Solve for x
    x = 146,273,503.07/12,514.22
  6. Step 6: Final answer
    x = 11,688.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.