Home / 18,107.28-27,166.83-8,748.37

Finding the Fourth Proportional to 18,107.28, 27,166.83 and 8,748.37

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Solution

The fourth proportional to 18,107.28, 27,166.83 and 8,748.37 is: 13,125.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107.28 : 27,166.83 = 8,748.37 : x
  2. Step 2: Convert to fraction form
    18,107.28/27,166.83 = 8,748.37/x
  3. Step 3: Cross multiply
    18,107.28x = 27,166.83 × 8,748.37
  4. Step 4: Simplify right side
    18,107.28x = 237,665,480.57
  5. Step 5: Solve for x
    x = 237,665,480.57/18,107.28
  6. Step 6: Final answer
    x = 13,125.41

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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.