Home / 12,423.39-18,636.94-4,104.29

Finding the Fourth Proportional to 12,423.39, 18,636.94 and 4,104.29

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Solution

The fourth proportional to 12,423.39, 18,636.94 and 4,104.29 is: 6,157.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423.39 : 18,636.94 = 4,104.29 : x
  2. Step 2: Convert to fraction form
    12,423.39/18,636.94 = 4,104.29/x
  3. Step 3: Cross multiply
    12,423.39x = 18,636.94 × 4,104.29
  4. Step 4: Simplify right side
    12,423.39x = 76,491,365.22
  5. Step 5: Solve for x
    x = 76,491,365.22/12,423.39
  6. Step 6: Final answer
    x = 6,157.04

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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.