Home / 21,556.83-32,336.61-6,766.33

Finding the Fourth Proportional to 21,556.83, 32,336.61 and 6,766.33

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Solution

The fourth proportional to 21,556.83, 32,336.61 and 6,766.33 is: 10,149.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556.83 : 32,336.61 = 6,766.33 : x
  2. Step 2: Convert to fraction form
    21,556.83/32,336.61 = 6,766.33/x
  3. Step 3: Cross multiply
    21,556.83x = 32,336.61 × 6,766.33
  4. Step 4: Simplify right side
    21,556.83x = 218,800,174.34
  5. Step 5: Solve for x
    x = 218,800,174.34/21,556.83
  6. Step 6: Final answer
    x = 10,149.92

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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.