Home / 12,668.26-18,872.33-12,099.64

Finding the Fourth Proportional to 12,668.26, 18,872.33 and 12,099.64

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Solution

The fourth proportional to 12,668.26, 18,872.33 and 12,099.64 is: 18,025.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668.26 : 18,872.33 = 12,099.64 : x
  2. Step 2: Convert to fraction form
    12,668.26/18,872.33 = 12,099.64/x
  3. Step 3: Cross multiply
    12,668.26x = 18,872.33 × 12,099.64
  4. Step 4: Simplify right side
    12,668.26x = 228,348,398.96
  5. Step 5: Solve for x
    x = 228,348,398.96/12,668.26
  6. Step 6: Final answer
    x = 18,025.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.