Home / 12,433.50-18,650.25-3,668.29

Finding the Fourth Proportional to 12,433.50, 18,650.25 and 3,668.29

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Solution

The fourth proportional to 12,433.50, 18,650.25 and 3,668.29 is: 5,502.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.50 : 18,650.25 = 3,668.29 : x
  2. Step 2: Convert to fraction form
    12,433.50/18,650.25 = 3,668.29/x
  3. Step 3: Cross multiply
    12,433.50x = 18,650.25 × 3,668.29
  4. Step 4: Simplify right side
    12,433.50x = 68,414,478.95
  5. Step 5: Solve for x
    x = 68,414,478.95/12,433.50
  6. Step 6: Final answer
    x = 5,502.43

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Half scale
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Double scale
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Similar ratio
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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.