Home / 13,714.38-20,571.50-3,326.13

Finding the Fourth Proportional to 13,714.38, 20,571.50 and 3,326.13

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Solution

The fourth proportional to 13,714.38, 20,571.50 and 3,326.13 is: 4,989.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.38 : 20,571.50 = 3,326.13 : x
  2. Step 2: Convert to fraction form
    13,714.38/20,571.50 = 3,326.13/x
  3. Step 3: Cross multiply
    13,714.38x = 20,571.50 × 3,326.13
  4. Step 4: Simplify right side
    13,714.38x = 68,423,483.30
  5. Step 5: Solve for x
    x = 68,423,483.30/13,714.38
  6. Step 6: Final answer
    x = 4,989.18

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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.