Home / 14,820.11-20,452.19-8,105.61

Finding the Fourth Proportional to 14,820.11, 20,452.19 and 8,105.61

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Solution

The fourth proportional to 14,820.11, 20,452.19 and 8,105.61 is: 11,185.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.11 : 20,452.19 = 8,105.61 : x
  2. Step 2: Convert to fraction form
    14,820.11/20,452.19 = 8,105.61/x
  3. Step 3: Cross multiply
    14,820.11x = 20,452.19 × 8,105.61
  4. Step 4: Simplify right side
    14,820.11x = 165,777,435.26
  5. Step 5: Solve for x
    x = 165,777,435.26/14,820.11
  6. Step 6: Final answer
    x = 11,185.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.