Home / 13,554.70-20,329.99-3,694.75

Finding the Fourth Proportional to 13,554.70, 20,329.99 and 3,694.75

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Solution

The fourth proportional to 13,554.70, 20,329.99 and 3,694.75 is: 5,541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.70 : 20,329.99 = 3,694.75 : x
  2. Step 2: Convert to fraction form
    13,554.70/20,329.99 = 3,694.75/x
  3. Step 3: Cross multiply
    13,554.70x = 20,329.99 × 3,694.75
  4. Step 4: Simplify right side
    13,554.70x = 75,114,170.49
  5. Step 5: Solve for x
    x = 75,114,170.49/13,554.70
  6. Step 6: Final answer
    x = 5,541.56

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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.