Home / 10,850.90-16,270.96-3,454.40

Finding the Fourth Proportional to 10,850.90, 16,270.96 and 3,454.40

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Solution

The fourth proportional to 10,850.90, 16,270.96 and 3,454.40 is: 5,179.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,850.90 : 16,270.96 = 3,454.40 : x
  2. Step 2: Convert to fraction form
    10,850.90/16,270.96 = 3,454.40/x
  3. Step 3: Cross multiply
    10,850.90x = 16,270.96 × 3,454.40
  4. Step 4: Simplify right side
    10,850.90x = 56,206,322.87
  5. Step 5: Solve for x
    x = 56,206,322.87/10,850.90
  6. Step 6: Final answer
    x = 5,179.88

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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.