Home / 18,231.53-27,347.27-4,380.53

Finding the Fourth Proportional to 18,231.53, 27,347.27 and 4,380.53

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Solution

The fourth proportional to 18,231.53, 27,347.27 and 4,380.53 is: 6,570.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.53 : 27,347.27 = 4,380.53 : x
  2. Step 2: Convert to fraction form
    18,231.53/27,347.27 = 4,380.53/x
  3. Step 3: Cross multiply
    18,231.53x = 27,347.27 × 4,380.53
  4. Step 4: Simplify right side
    18,231.53x = 119,795,378.01
  5. Step 5: Solve for x
    x = 119,795,378.01/18,231.53
  6. Step 6: Final answer
    x = 6,570.78

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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.