Home / 10,890.44-16,338.39-3,099.25

Finding the Fourth Proportional to 10,890.44, 16,338.39 and 3,099.25

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Solution

The fourth proportional to 10,890.44, 16,338.39 and 3,099.25 is: 4,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890.44 : 16,338.39 = 3,099.25 : x
  2. Step 2: Convert to fraction form
    10,890.44/16,338.39 = 3,099.25/x
  3. Step 3: Cross multiply
    10,890.44x = 16,338.39 × 3,099.25
  4. Step 4: Simplify right side
    10,890.44x = 50,636,755.21
  5. Step 5: Solve for x
    x = 50,636,755.21/10,890.44
  6. Step 6: Final answer
    x = 4,649.65

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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.