Home / 12,110.11-18,165.21-3,676.68

Finding the Fourth Proportional to 12,110.11, 18,165.21 and 3,676.68

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Solution

The fourth proportional to 12,110.11, 18,165.21 and 3,676.68 is: 5,515.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.11 : 18,165.21 = 3,676.68 : x
  2. Step 2: Convert to fraction form
    12,110.11/18,165.21 = 3,676.68/x
  3. Step 3: Cross multiply
    12,110.11x = 18,165.21 × 3,676.68
  4. Step 4: Simplify right side
    12,110.11x = 66,787,664.30
  5. Step 5: Solve for x
    x = 66,787,664.30/12,110.11
  6. Step 6: Final answer
    x = 5,515.04

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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.