Home / 18,270.37-27,395.05-7,164.05

Finding the Fourth Proportional to 18,270.37, 27,395.05 and 7,164.05

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Solution

The fourth proportional to 18,270.37, 27,395.05 and 7,164.05 is: 10,741.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.37 : 27,395.05 = 7,164.05 : x
  2. Step 2: Convert to fraction form
    18,270.37/27,395.05 = 7,164.05/x
  3. Step 3: Cross multiply
    18,270.37x = 27,395.05 × 7,164.05
  4. Step 4: Simplify right side
    18,270.37x = 196,259,507.95
  5. Step 5: Solve for x
    x = 196,259,507.95/18,270.37
  6. Step 6: Final answer
    x = 10,741.96

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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.