Home / 10,722.07-16,081.20-4,142.83

Finding the Fourth Proportional to 10,722.07, 16,081.20 and 4,142.83

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Solution

The fourth proportional to 10,722.07, 16,081.20 and 4,142.83 is: 6,213.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.07 : 16,081.20 = 4,142.83 : x
  2. Step 2: Convert to fraction form
    10,722.07/16,081.20 = 4,142.83/x
  3. Step 3: Cross multiply
    10,722.07x = 16,081.20 × 4,142.83
  4. Step 4: Simplify right side
    10,722.07x = 66,621,677.80
  5. Step 5: Solve for x
    x = 66,621,677.80/10,722.07
  6. Step 6: Final answer
    x = 6,213.51

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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.