Home / 12,286.50-18,432.52-4,495.26

Finding the Fourth Proportional to 12,286.50, 18,432.52 and 4,495.26

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Solution

The fourth proportional to 12,286.50, 18,432.52 and 4,495.26 is: 6,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286.50 : 18,432.52 = 4,495.26 : x
  2. Step 2: Convert to fraction form
    12,286.50/18,432.52 = 4,495.26/x
  3. Step 3: Cross multiply
    12,286.50x = 18,432.52 × 4,495.26
  4. Step 4: Simplify right side
    12,286.50x = 82,858,969.86
  5. Step 5: Solve for x
    x = 82,858,969.86/12,286.50
  6. Step 6: Final answer
    x = 6,743.90

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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.