Home / 12,544.36-17,311.24-6,879.15

Finding the Fourth Proportional to 12,544.36, 17,311.24 and 6,879.15

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Solution

The fourth proportional to 12,544.36, 17,311.24 and 6,879.15 is: 9,493.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.36 : 17,311.24 = 6,879.15 : x
  2. Step 2: Convert to fraction form
    12,544.36/17,311.24 = 6,879.15/x
  3. Step 3: Cross multiply
    12,544.36x = 17,311.24 × 6,879.15
  4. Step 4: Simplify right side
    12,544.36x = 119,086,651.39
  5. Step 5: Solve for x
    x = 119,086,651.39/12,544.36
  6. Step 6: Final answer
    x = 9,493.24

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Double scale
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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.