Home / 13,452.49-18,551.41-8,976.43

Finding the Fourth Proportional to 13,452.49, 18,551.41 and 8,976.43

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Solution

The fourth proportional to 13,452.49, 18,551.41 and 8,976.43 is: 12,378.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.49 : 18,551.41 = 8,976.43 : x
  2. Step 2: Convert to fraction form
    13,452.49/18,551.41 = 8,976.43/x
  3. Step 3: Cross multiply
    13,452.49x = 18,551.41 × 8,976.43
  4. Step 4: Simplify right side
    13,452.49x = 166,525,433.27
  5. Step 5: Solve for x
    x = 166,525,433.27/13,452.49
  6. Step 6: Final answer
    x = 12,378.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.