Home / 11,520.06-17,269.82-4,498.44

Finding the Fourth Proportional to 11,520.06, 17,269.82 and 4,498.44

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Solution

The fourth proportional to 11,520.06, 17,269.82 and 4,498.44 is: 6,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520.06 : 17,269.82 = 4,498.44 : x
  2. Step 2: Convert to fraction form
    11,520.06/17,269.82 = 4,498.44/x
  3. Step 3: Cross multiply
    11,520.06x = 17,269.82 × 4,498.44
  4. Step 4: Simplify right side
    11,520.06x = 77,687,249.08
  5. Step 5: Solve for x
    x = 77,687,249.08/11,520.06
  6. Step 6: Final answer
    x = 6,743.65

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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.