Home / 8,015.26-12,021.38-2,171.10

Finding the Fourth Proportional to 8,015.26, 12,021.38 and 2,171.10

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Solution

The fourth proportional to 8,015.26, 12,021.38 and 2,171.10 is: 3,256.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.26 : 12,021.38 = 2,171.10 : x
  2. Step 2: Convert to fraction form
    8,015.26/12,021.38 = 2,171.10/x
  3. Step 3: Cross multiply
    8,015.26x = 12,021.38 × 2,171.10
  4. Step 4: Simplify right side
    8,015.26x = 26,099,618.12
  5. Step 5: Solve for x
    x = 26,099,618.12/8,015.26
  6. Step 6: Final answer
    x = 3,256.24

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Half scale
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Double scale
Find fourth proportional to 8,016.26, 12,022.88 and 2,172.10
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.