Home / 11,315.01-16,974.92-3,418.12

Finding the Fourth Proportional to 11,315.01, 16,974.92 and 3,418.12

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Solution

The fourth proportional to 11,315.01, 16,974.92 and 3,418.12 is: 5,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.01 : 16,974.92 = 3,418.12 : x
  2. Step 2: Convert to fraction form
    11,315.01/16,974.92 = 3,418.12/x
  3. Step 3: Cross multiply
    11,315.01x = 16,974.92 × 3,418.12
  4. Step 4: Simplify right side
    11,315.01x = 58,022,228.60
  5. Step 5: Solve for x
    x = 58,022,228.60/11,315.01
  6. Step 6: Final answer
    x = 5,127.90

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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.