Home / 20,274.24-30,391.02-8,411.88

Finding the Fourth Proportional to 20,274.24, 30,391.02 and 8,411.88

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Solution

The fourth proportional to 20,274.24, 30,391.02 and 8,411.88 is: 12,609.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,274.24 : 30,391.02 = 8,411.88 : x
  2. Step 2: Convert to fraction form
    20,274.24/30,391.02 = 8,411.88/x
  3. Step 3: Cross multiply
    20,274.24x = 30,391.02 × 8,411.88
  4. Step 4: Simplify right side
    20,274.24x = 255,645,613.32
  5. Step 5: Solve for x
    x = 255,645,613.32/20,274.24
  6. Step 6: Final answer
    x = 12,609.38

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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.