Home / 21,514.28-32,273.40-8,367.64

Finding the Fourth Proportional to 21,514.28, 32,273.40 and 8,367.64

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Solution

The fourth proportional to 21,514.28, 32,273.40 and 8,367.64 is: 12,552.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514.28 : 32,273.40 = 8,367.64 : x
  2. Step 2: Convert to fraction form
    21,514.28/32,273.40 = 8,367.64/x
  3. Step 3: Cross multiply
    21,514.28x = 32,273.40 × 8,367.64
  4. Step 4: Simplify right side
    21,514.28x = 270,052,143.47
  5. Step 5: Solve for x
    x = 270,052,143.47/21,514.28
  6. Step 6: Final answer
    x = 12,552.23

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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.