Home / 10,860.82-16,274.22-8,668.96

Finding the Fourth Proportional to 10,860.82, 16,274.22 and 8,668.96

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Solution

The fourth proportional to 10,860.82, 16,274.22 and 8,668.96 is: 12,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.82 : 16,274.22 = 8,668.96 : x
  2. Step 2: Convert to fraction form
    10,860.82/16,274.22 = 8,668.96/x
  3. Step 3: Cross multiply
    10,860.82x = 16,274.22 × 8,668.96
  4. Step 4: Simplify right side
    10,860.82x = 141,080,489.02
  5. Step 5: Solve for x
    x = 141,080,489.02/10,860.82
  6. Step 6: Final answer
    x = 12,989.86

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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.