Home / 11,600.80-17,390.56-3,805.60

Finding the Fourth Proportional to 11,600.80, 17,390.56 and 3,805.60

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Solution

The fourth proportional to 11,600.80, 17,390.56 and 3,805.60 is: 5,704.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,600.80 : 17,390.56 = 3,805.60 : x
  2. Step 2: Convert to fraction form
    11,600.80/17,390.56 = 3,805.60/x
  3. Step 3: Cross multiply
    11,600.80x = 17,390.56 × 3,805.60
  4. Step 4: Simplify right side
    11,600.80x = 66,181,515.14
  5. Step 5: Solve for x
    x = 66,181,515.14/11,600.80
  6. Step 6: Final answer
    x = 5,704.91

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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.