Home / 20,595.47-30,893.13-8,108.71

Finding the Fourth Proportional to 20,595.47, 30,893.13 and 8,108.71

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Solution

The fourth proportional to 20,595.47, 30,893.13 and 8,108.71 is: 12,163.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.47 : 30,893.13 = 8,108.71 : x
  2. Step 2: Convert to fraction form
    20,595.47/30,893.13 = 8,108.71/x
  3. Step 3: Cross multiply
    20,595.47x = 30,893.13 × 8,108.71
  4. Step 4: Simplify right side
    20,595.47x = 250,503,354.93
  5. Step 5: Solve for x
    x = 250,503,354.93/20,595.47
  6. Step 6: Final answer
    x = 12,163.03

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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.