Home / 10,760.20-16,121.10-8,801.80

Finding the Fourth Proportional to 10,760.20, 16,121.10 and 8,801.80

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Solution

The fourth proportional to 10,760.20, 16,121.10 and 8,801.80 is: 13,186.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,760.20 : 16,121.10 = 8,801.80 : x
  2. Step 2: Convert to fraction form
    10,760.20/16,121.10 = 8,801.80/x
  3. Step 3: Cross multiply
    10,760.20x = 16,121.10 × 8,801.80
  4. Step 4: Simplify right side
    10,760.20x = 141,894,697.98
  5. Step 5: Solve for x
    x = 141,894,697.98/10,760.20
  6. Step 6: Final answer
    x = 13,186.99

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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.