Home / 18,286.58-27,414.75-8,417.54

Finding the Fourth Proportional to 18,286.58, 27,414.75 and 8,417.54

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Solution

The fourth proportional to 18,286.58, 27,414.75 and 8,417.54 is: 12,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.58 : 27,414.75 = 8,417.54 : x
  2. Step 2: Convert to fraction form
    18,286.58/27,414.75 = 8,417.54/x
  3. Step 3: Cross multiply
    18,286.58x = 27,414.75 × 8,417.54
  4. Step 4: Simplify right side
    18,286.58x = 230,764,754.72
  5. Step 5: Solve for x
    x = 230,764,754.72/18,286.58
  6. Step 6: Final answer
    x = 12,619.35

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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.