Home / 18,539.45-27,796.85-11,962.05

Finding the Fourth Proportional to 18,539.45, 27,796.85 and 11,962.05

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Solution

The fourth proportional to 18,539.45, 27,796.85 and 11,962.05 is: 17,935.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539.45 : 27,796.85 = 11,962.05 : x
  2. Step 2: Convert to fraction form
    18,539.45/27,796.85 = 11,962.05/x
  3. Step 3: Cross multiply
    18,539.45x = 27,796.85 × 11,962.05
  4. Step 4: Simplify right side
    18,539.45x = 332,507,309.54
  5. Step 5: Solve for x
    x = 332,507,309.54/18,539.45
  6. Step 6: Final answer
    x = 17,935.12

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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.