Home / 10,776.36-16,171.92-4,202.60

Finding the Fourth Proportional to 10,776.36, 16,171.92 and 4,202.60

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Solution

The fourth proportional to 10,776.36, 16,171.92 and 4,202.60 is: 6,306.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,776.36 : 16,171.92 = 4,202.60 : x
  2. Step 2: Convert to fraction form
    10,776.36/16,171.92 = 4,202.60/x
  3. Step 3: Cross multiply
    10,776.36x = 16,171.92 × 4,202.60
  4. Step 4: Simplify right side
    10,776.36x = 67,964,110.99
  5. Step 5: Solve for x
    x = 67,964,110.99/10,776.36
  6. Step 6: Final answer
    x = 6,306.78

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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.