Home / 11,100.80-16,651.20-7,358.60

Finding the Fourth Proportional to 11,100.80, 16,651.20 and 7,358.60

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Solution

The fourth proportional to 11,100.80, 16,651.20 and 7,358.60 is: 11,037.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,100.80 : 16,651.20 = 7,358.60 : x
  2. Step 2: Convert to fraction form
    11,100.80/16,651.20 = 7,358.60/x
  3. Step 3: Cross multiply
    11,100.80x = 16,651.20 × 7,358.60
  4. Step 4: Simplify right side
    11,100.80x = 122,529,520.32
  5. Step 5: Solve for x
    x = 122,529,520.32/11,100.80
  6. Step 6: Final answer
    x = 11,037.90

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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.