Home / 9,993.37-13,790.68-5,517.01

Finding the Fourth Proportional to 9,993.37, 13,790.68 and 5,517.01

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Solution

The fourth proportional to 9,993.37, 13,790.68 and 5,517.01 is: 7,613.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.37 : 13,790.68 = 5,517.01 : x
  2. Step 2: Convert to fraction form
    9,993.37/13,790.68 = 5,517.01/x
  3. Step 3: Cross multiply
    9,993.37x = 13,790.68 × 5,517.01
  4. Step 4: Simplify right side
    9,993.37x = 76,083,319.47
  5. Step 5: Solve for x
    x = 76,083,319.47/9,993.37
  6. Step 6: Final answer
    x = 7,613.38

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.