Home / 18,265.36-27,399.62-6,418.12

Finding the Fourth Proportional to 18,265.36, 27,399.62 and 6,418.12

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Solution

The fourth proportional to 18,265.36, 27,399.62 and 6,418.12 is: 9,627.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.36 : 27,399.62 = 6,418.12 : x
  2. Step 2: Convert to fraction form
    18,265.36/27,399.62 = 6,418.12/x
  3. Step 3: Cross multiply
    18,265.36x = 27,399.62 × 6,418.12
  4. Step 4: Simplify right side
    18,265.36x = 175,854,049.11
  5. Step 5: Solve for x
    x = 175,854,049.11/18,265.36
  6. Step 6: Final answer
    x = 9,627.74

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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.