Home / 11,120.44-16,680.68-4,459.96

Finding the Fourth Proportional to 11,120.44, 16,680.68 and 4,459.96

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Solution

The fourth proportional to 11,120.44, 16,680.68 and 4,459.96 is: 6,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.44 : 16,680.68 = 4,459.96 : x
  2. Step 2: Convert to fraction form
    11,120.44/16,680.68 = 4,459.96/x
  3. Step 3: Cross multiply
    11,120.44x = 16,680.68 × 4,459.96
  4. Step 4: Simplify right side
    11,120.44x = 74,395,165.57
  5. Step 5: Solve for x
    x = 74,395,165.57/11,120.44
  6. Step 6: Final answer
    x = 6,689.95

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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.