Home / 10,832.72-16,249.08-7,889.92

Finding the Fourth Proportional to 10,832.72, 16,249.08 and 7,889.92

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Solution

The fourth proportional to 10,832.72, 16,249.08 and 7,889.92 is: 11,834.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,832.72 : 16,249.08 = 7,889.92 : x
  2. Step 2: Convert to fraction form
    10,832.72/16,249.08 = 7,889.92/x
  3. Step 3: Cross multiply
    10,832.72x = 16,249.08 × 7,889.92
  4. Step 4: Simplify right side
    10,832.72x = 128,203,941.27
  5. Step 5: Solve for x
    x = 128,203,941.27/10,832.72
  6. Step 6: Final answer
    x = 11,834.88

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Similar ratio
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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.