Home / 21,445.44-32,161.68-6,650.88

Finding the Fourth Proportional to 21,445.44, 32,161.68 and 6,650.88

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Solution

The fourth proportional to 21,445.44, 32,161.68 and 6,650.88 is: 9,974.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445.44 : 32,161.68 = 6,650.88 : x
  2. Step 2: Convert to fraction form
    21,445.44/32,161.68 = 6,650.88/x
  3. Step 3: Cross multiply
    21,445.44x = 32,161.68 × 6,650.88
  4. Step 4: Simplify right side
    21,445.44x = 213,903,474.28
  5. Step 5: Solve for x
    x = 213,903,474.28/21,445.44
  6. Step 6: Final answer
    x = 9,974.31

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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.