Home / 10,850.40-16,270.21-3,453.89

Finding the Fourth Proportional to 10,850.40, 16,270.21 and 3,453.89

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Solution

The fourth proportional to 10,850.40, 16,270.21 and 3,453.89 is: 5,179.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,850.40 : 16,270.21 = 3,453.89 : x
  2. Step 2: Convert to fraction form
    10,850.40/16,270.21 = 3,453.89/x
  3. Step 3: Cross multiply
    10,850.40x = 16,270.21 × 3,453.89
  4. Step 4: Simplify right side
    10,850.40x = 56,195,572.63
  5. Step 5: Solve for x
    x = 56,195,572.63/10,850.40
  6. Step 6: Final answer
    x = 5,179.13

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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.