Home / 18,517.20-27,774.96-5,369.28

Finding the Fourth Proportional to 18,517.20, 27,774.96 and 5,369.28

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Solution

The fourth proportional to 18,517.20, 27,774.96 and 5,369.28 is: 8,053.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.20 : 27,774.96 = 5,369.28 : x
  2. Step 2: Convert to fraction form
    18,517.20/27,774.96 = 5,369.28/x
  3. Step 3: Cross multiply
    18,517.20x = 27,774.96 × 5,369.28
  4. Step 4: Simplify right side
    18,517.20x = 149,131,537.23
  5. Step 5: Solve for x
    x = 149,131,537.23/18,517.20
  6. Step 6: Final answer
    x = 8,053.68

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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.