Home / 18,265.46-27,399.09-5,119.16

Finding the Fourth Proportional to 18,265.46, 27,399.09 and 5,119.16

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Solution

The fourth proportional to 18,265.46, 27,399.09 and 5,119.16 is: 7,678.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.46 : 27,399.09 = 5,119.16 : x
  2. Step 2: Convert to fraction form
    18,265.46/27,399.09 = 5,119.16/x
  3. Step 3: Cross multiply
    18,265.46x = 27,399.09 × 5,119.16
  4. Step 4: Simplify right side
    18,265.46x = 140,260,188.57
  5. Step 5: Solve for x
    x = 140,260,188.57/18,265.46
  6. Step 6: Final answer
    x = 7,678.99

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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.