Home / 10,777.91-16,155.90-8,175.38

Finding the Fourth Proportional to 10,777.91, 16,155.90 and 8,175.38

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Solution

The fourth proportional to 10,777.91, 16,155.90 and 8,175.38 is: 12,254.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777.91 : 16,155.90 = 8,175.38 : x
  2. Step 2: Convert to fraction form
    10,777.91/16,155.90 = 8,175.38/x
  3. Step 3: Cross multiply
    10,777.91x = 16,155.90 × 8,175.38
  4. Step 4: Simplify right side
    10,777.91x = 132,080,540.96
  5. Step 5: Solve for x
    x = 132,080,540.96/10,777.91
  6. Step 6: Final answer
    x = 12,254.75

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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.