Home / 14,910.40-20,576.11-8,195.88

Finding the Fourth Proportional to 14,910.40, 20,576.11 and 8,195.88

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Solution

The fourth proportional to 14,910.40, 20,576.11 and 8,195.88 is: 11,310.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.40 : 20,576.11 = 8,195.88 : x
  2. Step 2: Convert to fraction form
    14,910.40/20,576.11 = 8,195.88/x
  3. Step 3: Cross multiply
    14,910.40x = 20,576.11 × 8,195.88
  4. Step 4: Simplify right side
    14,910.40x = 168,639,297.48
  5. Step 5: Solve for x
    x = 168,639,297.48/14,910.40
  6. Step 6: Final answer
    x = 11,310.18

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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.