Home / 20,331.01-30,494.71-7,182.73

Finding the Fourth Proportional to 20,331.01, 30,494.71 and 7,182.73

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Solution

The fourth proportional to 20,331.01, 30,494.71 and 7,182.73 is: 10,773.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,331.01 : 30,494.71 = 7,182.73 : x
  2. Step 2: Convert to fraction form
    20,331.01/30,494.71 = 7,182.73/x
  3. Step 3: Cross multiply
    20,331.01x = 30,494.71 × 7,182.73
  4. Step 4: Simplify right side
    20,331.01x = 219,035,268.36
  5. Step 5: Solve for x
    x = 219,035,268.36/20,331.01
  6. Step 6: Final answer
    x = 10,773.46

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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.