Home / 11,213.82-15,474.45-6,736.74

Finding the Fourth Proportional to 11,213.82, 15,474.45 and 6,736.74

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Solution

The fourth proportional to 11,213.82, 15,474.45 and 6,736.74 is: 9,296.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.82 : 15,474.45 = 6,736.74 : x
  2. Step 2: Convert to fraction form
    11,213.82/15,474.45 = 6,736.74/x
  3. Step 3: Cross multiply
    11,213.82x = 15,474.45 × 6,736.74
  4. Step 4: Simplify right side
    11,213.82x = 104,247,346.29
  5. Step 5: Solve for x
    x = 104,247,346.29/11,213.82
  6. Step 6: Final answer
    x = 9,296.33

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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.