Home / 18,080.86-27,129.28-6,236.44

Finding the Fourth Proportional to 18,080.86, 27,129.28 and 6,236.44

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Solution

The fourth proportional to 18,080.86, 27,129.28 and 6,236.44 is: 9,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,080.86 : 27,129.28 = 6,236.44 : x
  2. Step 2: Convert to fraction form
    18,080.86/27,129.28 = 6,236.44/x
  3. Step 3: Cross multiply
    18,080.86x = 27,129.28 × 6,236.44
  4. Step 4: Simplify right side
    18,080.86x = 169,190,126.96
  5. Step 5: Solve for x
    x = 169,190,126.96/18,080.86
  6. Step 6: Final answer
    x = 9,357.42

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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.