Home / 11,555.82-17,316.99-6,286.37

Finding the Fourth Proportional to 11,555.82, 17,316.99 and 6,286.37

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Solution

The fourth proportional to 11,555.82, 17,316.99 and 6,286.37 is: 9,420.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.82 : 17,316.99 = 6,286.37 : x
  2. Step 2: Convert to fraction form
    11,555.82/17,316.99 = 6,286.37/x
  3. Step 3: Cross multiply
    11,555.82x = 17,316.99 × 6,286.37
  4. Step 4: Simplify right side
    11,555.82x = 108,860,919.84
  5. Step 5: Solve for x
    x = 108,860,919.84/11,555.82
  6. Step 6: Final answer
    x = 9,420.44

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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.