Home / 11,309.20-16,963.80-7,372.60

Finding the Fourth Proportional to 11,309.20, 16,963.80 and 7,372.60

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Solution

The fourth proportional to 11,309.20, 16,963.80 and 7,372.60 is: 11,058.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.20 : 16,963.80 = 7,372.60 : x
  2. Step 2: Convert to fraction form
    11,309.20/16,963.80 = 7,372.60/x
  3. Step 3: Cross multiply
    11,309.20x = 16,963.80 × 7,372.60
  4. Step 4: Simplify right side
    11,309.20x = 125,067,311.88
  5. Step 5: Solve for x
    x = 125,067,311.88/11,309.20
  6. Step 6: Final answer
    x = 11,058.90

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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.