Home / 12,446.22-18,668.61-3,682.38

Finding the Fourth Proportional to 12,446.22, 18,668.61 and 3,682.38

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Solution

The fourth proportional to 12,446.22, 18,668.61 and 3,682.38 is: 5,523.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.22 : 18,668.61 = 3,682.38 : x
  2. Step 2: Convert to fraction form
    12,446.22/18,668.61 = 3,682.38/x
  3. Step 3: Cross multiply
    12,446.22x = 18,668.61 × 3,682.38
  4. Step 4: Simplify right side
    12,446.22x = 68,744,916.09
  5. Step 5: Solve for x
    x = 68,744,916.09/12,446.22
  6. Step 6: Final answer
    x = 5,523.36

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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.