Home / 10,721.96-16,083.14-3,326.66

Finding the Fourth Proportional to 10,721.96, 16,083.14 and 3,326.66

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Solution

The fourth proportional to 10,721.96, 16,083.14 and 3,326.66 is: 4,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.96 : 16,083.14 = 3,326.66 : x
  2. Step 2: Convert to fraction form
    10,721.96/16,083.14 = 3,326.66/x
  3. Step 3: Cross multiply
    10,721.96x = 16,083.14 × 3,326.66
  4. Step 4: Simplify right side
    10,721.96x = 53,503,041.46
  5. Step 5: Solve for x
    x = 53,503,041.46/10,721.96
  6. Step 6: Final answer
    x = 4,990.05

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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.