Home / 18,314.28-27,468.09-5,163.53

Finding the Fourth Proportional to 18,314.28, 27,468.09 and 5,163.53

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Solution

The fourth proportional to 18,314.28, 27,468.09 and 5,163.53 is: 7,744.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,314.28 : 27,468.09 = 5,163.53 : x
  2. Step 2: Convert to fraction form
    18,314.28/27,468.09 = 5,163.53/x
  3. Step 3: Cross multiply
    18,314.28x = 27,468.09 × 5,163.53
  4. Step 4: Simplify right side
    18,314.28x = 141,832,169.42
  5. Step 5: Solve for x
    x = 141,832,169.42/18,314.28
  6. Step 6: Final answer
    x = 7,744.35

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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.