Home / 11,080.13-16,620.19-2,872.13

Finding the Fourth Proportional to 11,080.13, 16,620.19 and 2,872.13

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Solution

The fourth proportional to 11,080.13, 16,620.19 and 2,872.13 is: 4,308.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.13 : 16,620.19 = 2,872.13 : x
  2. Step 2: Convert to fraction form
    11,080.13/16,620.19 = 2,872.13/x
  3. Step 3: Cross multiply
    11,080.13x = 16,620.19 × 2,872.13
  4. Step 4: Simplify right side
    11,080.13x = 47,735,256.02
  5. Step 5: Solve for x
    x = 47,735,256.02/11,080.13
  6. Step 6: Final answer
    x = 4,308.19

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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.