Home / 8,965.68-13,450.23-3,418.56

Finding the Fourth Proportional to 8,965.68, 13,450.23 and 3,418.56

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Solution

The fourth proportional to 8,965.68, 13,450.23 and 3,418.56 is: 5,128.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,965.68 : 13,450.23 = 3,418.56 : x
  2. Step 2: Convert to fraction form
    8,965.68/13,450.23 = 3,418.56/x
  3. Step 3: Cross multiply
    8,965.68x = 13,450.23 × 3,418.56
  4. Step 4: Simplify right side
    8,965.68x = 45,980,418.27
  5. Step 5: Solve for x
    x = 45,980,418.27/8,965.68
  6. Step 6: Final answer
    x = 5,128.49

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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.