Home / 12,169.44-18,254.16-11,090.52

Finding the Fourth Proportional to 12,169.44, 18,254.16 and 11,090.52

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Solution

The fourth proportional to 12,169.44, 18,254.16 and 11,090.52 is: 16,635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.44 : 18,254.16 = 11,090.52 : x
  2. Step 2: Convert to fraction form
    12,169.44/18,254.16 = 11,090.52/x
  3. Step 3: Cross multiply
    12,169.44x = 18,254.16 × 11,090.52
  4. Step 4: Simplify right side
    12,169.44x = 202,448,126.56
  5. Step 5: Solve for x
    x = 202,448,126.56/12,169.44
  6. Step 6: Final answer
    x = 16,635.78

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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.