Home / 10,745.40-16,115.46-3,819.96

Finding the Fourth Proportional to 10,745.40, 16,115.46 and 3,819.96

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Solution

The fourth proportional to 10,745.40, 16,115.46 and 3,819.96 is: 5,729.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.40 : 16,115.46 = 3,819.96 : x
  2. Step 2: Convert to fraction form
    10,745.40/16,115.46 = 3,819.96/x
  3. Step 3: Cross multiply
    10,745.40x = 16,115.46 × 3,819.96
  4. Step 4: Simplify right side
    10,745.40x = 61,560,412.58
  5. Step 5: Solve for x
    x = 61,560,412.58/10,745.40
  6. Step 6: Final answer
    x = 5,729.00

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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.