Home / 11,150.40-16,747.20-6,776.40

Finding the Fourth Proportional to 11,150.40, 16,747.20 and 6,776.40

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Solution

The fourth proportional to 11,150.40, 16,747.20 and 6,776.40 is: 10,177.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.40 : 16,747.20 = 6,776.40 : x
  2. Step 2: Convert to fraction form
    11,150.40/16,747.20 = 6,776.40/x
  3. Step 3: Cross multiply
    11,150.40x = 16,747.20 × 6,776.40
  4. Step 4: Simplify right side
    11,150.40x = 113,485,726.08
  5. Step 5: Solve for x
    x = 113,485,726.08/11,150.40
  6. Step 6: Final answer
    x = 10,177.73

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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.