Home / 18,219.44-27,330.97-5,071.81

Finding the Fourth Proportional to 18,219.44, 27,330.97 and 5,071.81

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Solution

The fourth proportional to 18,219.44, 27,330.97 and 5,071.81 is: 7,608.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219.44 : 27,330.97 = 5,071.81 : x
  2. Step 2: Convert to fraction form
    18,219.44/27,330.97 = 5,071.81/x
  3. Step 3: Cross multiply
    18,219.44x = 27,330.97 × 5,071.81
  4. Step 4: Simplify right side
    18,219.44x = 138,617,405.95
  5. Step 5: Solve for x
    x = 138,617,405.95/18,219.44
  6. Step 6: Final answer
    x = 7,608.22

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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.