Home / 18,086.25-27,132.45-6,236.81

Finding the Fourth Proportional to 18,086.25, 27,132.45 and 6,236.81

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Solution

The fourth proportional to 18,086.25, 27,132.45 and 6,236.81 is: 9,356.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086.25 : 27,132.45 = 6,236.81 : x
  2. Step 2: Convert to fraction form
    18,086.25/27,132.45 = 6,236.81/x
  3. Step 3: Cross multiply
    18,086.25x = 27,132.45 × 6,236.81
  4. Step 4: Simplify right side
    18,086.25x = 169,219,878.18
  5. Step 5: Solve for x
    x = 169,219,878.18/18,086.25
  6. Step 6: Final answer
    x = 9,356.27

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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.