Home / 20,076.19-30,114.48-8,226.92

Finding the Fourth Proportional to 20,076.19, 30,114.48 and 8,226.92

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Solution

The fourth proportional to 20,076.19, 30,114.48 and 8,226.92 is: 12,340.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,076.19 : 30,114.48 = 8,226.92 : x
  2. Step 2: Convert to fraction form
    20,076.19/30,114.48 = 8,226.92/x
  3. Step 3: Cross multiply
    20,076.19x = 30,114.48 × 8,226.92
  4. Step 4: Simplify right side
    20,076.19x = 247,749,354.54
  5. Step 5: Solve for x
    x = 247,749,354.54/20,076.19
  6. Step 6: Final answer
    x = 12,340.46

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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.