Home / 13,714.56-20,571.76-3,326.24

Finding the Fourth Proportional to 13,714.56, 20,571.76 and 3,326.24

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Solution

The fourth proportional to 13,714.56, 20,571.76 and 3,326.24 is: 4,989.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,714.56 : 20,571.76 = 3,326.24 : x
  2. Step 2: Convert to fraction form
    13,714.56/20,571.76 = 3,326.24/x
  3. Step 3: Cross multiply
    13,714.56x = 20,571.76 × 3,326.24
  4. Step 4: Simplify right side
    13,714.56x = 68,426,610.98
  5. Step 5: Solve for x
    x = 68,426,610.98/13,714.56
  6. Step 6: Final answer
    x = 4,989.34

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1.5x scale

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.