Home / 10,872.23-16,311.09-3,081.11

Finding the Fourth Proportional to 10,872.23, 16,311.09 and 3,081.11

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Solution

The fourth proportional to 10,872.23, 16,311.09 and 3,081.11 is: 4,622.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.23 : 16,311.09 = 3,081.11 : x
  2. Step 2: Convert to fraction form
    10,872.23/16,311.09 = 3,081.11/x
  3. Step 3: Cross multiply
    10,872.23x = 16,311.09 × 3,081.11
  4. Step 4: Simplify right side
    10,872.23x = 50,256,262.51
  5. Step 5: Solve for x
    x = 50,256,262.51/10,872.23
  6. Step 6: Final answer
    x = 4,622.44

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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.