Home / 18,209.05-27,284.88-13,745.52

Finding the Fourth Proportional to 18,209.05, 27,284.88 and 13,745.52

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Solution

The fourth proportional to 18,209.05, 27,284.88 and 13,745.52 is: 20,596.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209.05 : 27,284.88 = 13,745.52 : x
  2. Step 2: Convert to fraction form
    18,209.05/27,284.88 = 13,745.52/x
  3. Step 3: Cross multiply
    18,209.05x = 27,284.88 × 13,745.52
  4. Step 4: Simplify right side
    18,209.05x = 375,044,876.04
  5. Step 5: Solve for x
    x = 375,044,876.04/18,209.05
  6. Step 6: Final answer
    x = 20,596.62

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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.