Home / 11,371.20-17,037.60-7,473.60

Finding the Fourth Proportional to 11,371.20, 17,037.60 and 7,473.60

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Solution

The fourth proportional to 11,371.20, 17,037.60 and 7,473.60 is: 11,197.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,371.20 : 17,037.60 = 7,473.60 : x
  2. Step 2: Convert to fraction form
    11,371.20/17,037.60 = 7,473.60/x
  3. Step 3: Cross multiply
    11,371.20x = 17,037.60 × 7,473.60
  4. Step 4: Simplify right side
    11,371.20x = 127,332,207.36
  5. Step 5: Solve for x
    x = 127,332,207.36/11,371.20
  6. Step 6: Final answer
    x = 11,197.78

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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.