Home / 9,185.68-13,778.16-3,995.20

Finding the Fourth Proportional to 9,185.68, 13,778.16 and 3,995.20

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Solution

The fourth proportional to 9,185.68, 13,778.16 and 3,995.20 is: 5,992.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,185.68 : 13,778.16 = 3,995.20 : x
  2. Step 2: Convert to fraction form
    9,185.68/13,778.16 = 3,995.20/x
  3. Step 3: Cross multiply
    9,185.68x = 13,778.16 × 3,995.20
  4. Step 4: Simplify right side
    9,185.68x = 55,046,504.83
  5. Step 5: Solve for x
    x = 55,046,504.83/9,185.68
  6. Step 6: Final answer
    x = 5,992.64

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Half scale
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Double scale
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Similar ratio
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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.