Home / 18,147.68-27,232.01-7,616.75

Finding the Fourth Proportional to 18,147.68, 27,232.01 and 7,616.75

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Solution

The fourth proportional to 18,147.68, 27,232.01 and 7,616.75 is: 11,429.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.68 : 27,232.01 = 7,616.75 : x
  2. Step 2: Convert to fraction form
    18,147.68/27,232.01 = 7,616.75/x
  3. Step 3: Cross multiply
    18,147.68x = 27,232.01 × 7,616.75
  4. Step 4: Simplify right side
    18,147.68x = 207,419,412.17
  5. Step 5: Solve for x
    x = 207,419,412.17/18,147.68
  6. Step 6: Final answer
    x = 11,429.53

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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.