Home / 8,010.54-12,015.78-2,166.72

Finding the Fourth Proportional to 8,010.54, 12,015.78 and 2,166.72

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Solution

The fourth proportional to 8,010.54, 12,015.78 and 2,166.72 is: 3,250.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010.54 : 12,015.78 = 2,166.72 : x
  2. Step 2: Convert to fraction form
    8,010.54/12,015.78 = 2,166.72/x
  3. Step 3: Cross multiply
    8,010.54x = 12,015.78 × 2,166.72
  4. Step 4: Simplify right side
    8,010.54x = 26,034,830.84
  5. Step 5: Solve for x
    x = 26,034,830.84/8,010.54
  6. Step 6: Final answer
    x = 3,250.07

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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.