Home / 22,065.24-30,450.20-11,993.64

Finding the Fourth Proportional to 22,065.24, 30,450.20 and 11,993.64

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Solution

The fourth proportional to 22,065.24, 30,450.20 and 11,993.64 is: 16,551.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,065.24 : 30,450.20 = 11,993.64 : x
  2. Step 2: Convert to fraction form
    22,065.24/30,450.20 = 11,993.64/x
  3. Step 3: Cross multiply
    22,065.24x = 30,450.20 × 11,993.64
  4. Step 4: Simplify right side
    22,065.24x = 365,208,736.73
  5. Step 5: Solve for x
    x = 365,208,736.73/22,065.24
  6. Step 6: Final answer
    x = 16,551.31

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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.