Home / 20,512.23-30,753.28-8,021.35

Finding the Fourth Proportional to 20,512.23, 30,753.28 and 8,021.35

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Solution

The fourth proportional to 20,512.23, 30,753.28 and 8,021.35 is: 12,026.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,512.23 : 30,753.28 = 8,021.35 : x
  2. Step 2: Convert to fraction form
    20,512.23/30,753.28 = 8,021.35/x
  3. Step 3: Cross multiply
    20,512.23x = 30,753.28 × 8,021.35
  4. Step 4: Simplify right side
    20,512.23x = 246,682,822.53
  5. Step 5: Solve for x
    x = 246,682,822.53/20,512.23
  6. Step 6: Final answer
    x = 12,026.13

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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.