Home / 21,704.20-32,556.30-6,119.80

Finding the Fourth Proportional to 21,704.20, 32,556.30 and 6,119.80

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Solution

The fourth proportional to 21,704.20, 32,556.30 and 6,119.80 is: 9,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,704.20 : 32,556.30 = 6,119.80 : x
  2. Step 2: Convert to fraction form
    21,704.20/32,556.30 = 6,119.80/x
  3. Step 3: Cross multiply
    21,704.20x = 32,556.30 × 6,119.80
  4. Step 4: Simplify right side
    21,704.20x = 199,238,044.74
  5. Step 5: Solve for x
    x = 199,238,044.74/21,704.20
  6. Step 6: Final answer
    x = 9,179.70

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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.