Home / 12,286.44-18,432.34-4,495.26

Finding the Fourth Proportional to 12,286.44, 18,432.34 and 4,495.26

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Solution

The fourth proportional to 12,286.44, 18,432.34 and 4,495.26 is: 6,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286.44 : 18,432.34 = 4,495.26 : x
  2. Step 2: Convert to fraction form
    12,286.44/18,432.34 = 4,495.26/x
  3. Step 3: Cross multiply
    12,286.44x = 18,432.34 × 4,495.26
  4. Step 4: Simplify right side
    12,286.44x = 82,858,160.71
  5. Step 5: Solve for x
    x = 82,858,160.71/12,286.44
  6. Step 6: Final answer
    x = 6,743.87

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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.