Home / 11,550.82-15,940.10-6,245.64

Finding the Fourth Proportional to 11,550.82, 15,940.10 and 6,245.64

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Solution

The fourth proportional to 11,550.82, 15,940.10 and 6,245.64 is: 8,618.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.82 : 15,940.10 = 6,245.64 : x
  2. Step 2: Convert to fraction form
    11,550.82/15,940.10 = 6,245.64/x
  3. Step 3: Cross multiply
    11,550.82x = 15,940.10 × 6,245.64
  4. Step 4: Simplify right side
    11,550.82x = 99,556,126.16
  5. Step 5: Solve for x
    x = 99,556,126.16/11,550.82
  6. Step 6: Final answer
    x = 8,618.97

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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.