Home / 13,809.22-20,714.34-4,447.99

Finding the Fourth Proportional to 13,809.22, 20,714.34 and 4,447.99

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Solution

The fourth proportional to 13,809.22, 20,714.34 and 4,447.99 is: 6,672.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,809.22 : 20,714.34 = 4,447.99 : x
  2. Step 2: Convert to fraction form
    13,809.22/20,714.34 = 4,447.99/x
  3. Step 3: Cross multiply
    13,809.22x = 20,714.34 × 4,447.99
  4. Step 4: Simplify right side
    13,809.22x = 92,137,177.18
  5. Step 5: Solve for x
    x = 92,137,177.18/13,809.22
  6. Step 6: Final answer
    x = 6,672.15

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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.