Home / 10,722.88-16,071.86-6,344.02

Finding the Fourth Proportional to 10,722.88, 16,071.86 and 6,344.02

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Solution

The fourth proportional to 10,722.88, 16,071.86 and 6,344.02 is: 9,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.88 : 16,071.86 = 6,344.02 : x
  2. Step 2: Convert to fraction form
    10,722.88/16,071.86 = 6,344.02/x
  3. Step 3: Cross multiply
    10,722.88x = 16,071.86 × 6,344.02
  4. Step 4: Simplify right side
    10,722.88x = 101,960,201.28
  5. Step 5: Solve for x
    x = 101,960,201.28/10,722.88
  6. Step 6: Final answer
    x = 9,508.66

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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.