Home / 18,231.56-27,348.96-13,361.84

Finding the Fourth Proportional to 18,231.56, 27,348.96 and 13,361.84

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Solution

The fourth proportional to 18,231.56, 27,348.96 and 13,361.84 is: 20,043.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.56 : 27,348.96 = 13,361.84 : x
  2. Step 2: Convert to fraction form
    18,231.56/27,348.96 = 13,361.84/x
  3. Step 3: Cross multiply
    18,231.56x = 27,348.96 × 13,361.84
  4. Step 4: Simplify right side
    18,231.56x = 365,432,427.69
  5. Step 5: Solve for x
    x = 365,432,427.69/18,231.56
  6. Step 6: Final answer
    x = 20,043.95

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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.