Home / 18,445.05-27,662.40-7,198.56

Finding the Fourth Proportional to 18,445.05, 27,662.40 and 7,198.56

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Solution

The fourth proportional to 18,445.05, 27,662.40 and 7,198.56 is: 10,795.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.05 : 27,662.40 = 7,198.56 : x
  2. Step 2: Convert to fraction form
    18,445.05/27,662.40 = 7,198.56/x
  3. Step 3: Cross multiply
    18,445.05x = 27,662.40 × 7,198.56
  4. Step 4: Simplify right side
    18,445.05x = 199,129,446.14
  5. Step 5: Solve for x
    x = 199,129,446.14/18,445.05
  6. Step 6: Final answer
    x = 10,795.82

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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.