Home / 18,453.52-27,647.12-11,863.36

Finding the Fourth Proportional to 18,453.52, 27,647.12 and 11,863.36

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Solution

The fourth proportional to 18,453.52, 27,647.12 and 11,863.36 is: 17,773.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453.52 : 27,647.12 = 11,863.36 : x
  2. Step 2: Convert to fraction form
    18,453.52/27,647.12 = 11,863.36/x
  3. Step 3: Cross multiply
    18,453.52x = 27,647.12 × 11,863.36
  4. Step 4: Simplify right side
    18,453.52x = 327,987,737.52
  5. Step 5: Solve for x
    x = 327,987,737.52/18,453.52
  6. Step 6: Final answer
    x = 17,773.72

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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.