Home / 13,504.38-20,256.49-3,644.65

Finding the Fourth Proportional to 13,504.38, 20,256.49 and 3,644.65

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Solution

The fourth proportional to 13,504.38, 20,256.49 and 3,644.65 is: 5,466.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504.38 : 20,256.49 = 3,644.65 : x
  2. Step 2: Convert to fraction form
    13,504.38/20,256.49 = 3,644.65/x
  3. Step 3: Cross multiply
    13,504.38x = 20,256.49 × 3,644.65
  4. Step 4: Simplify right side
    13,504.38x = 73,827,816.28
  5. Step 5: Solve for x
    x = 73,827,816.28/13,504.38
  6. Step 6: Final answer
    x = 5,466.95

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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.