Home / 22,052.21-30,431.79-11,980.44

Finding the Fourth Proportional to 22,052.21, 30,431.79 and 11,980.44

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Solution

The fourth proportional to 22,052.21, 30,431.79 and 11,980.44 is: 16,532.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,052.21 : 30,431.79 = 11,980.44 : x
  2. Step 2: Convert to fraction form
    22,052.21/30,431.79 = 11,980.44/x
  3. Step 3: Cross multiply
    22,052.21x = 30,431.79 × 11,980.44
  4. Step 4: Simplify right side
    22,052.21x = 364,586,234.19
  5. Step 5: Solve for x
    x = 364,586,234.19/22,052.21
  6. Step 6: Final answer
    x = 16,532.87

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Double scale
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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.