Home / 10,721.08-16,083.17-3,326.13

Finding the Fourth Proportional to 10,721.08, 16,083.17 and 3,326.13

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Solution

The fourth proportional to 10,721.08, 16,083.17 and 3,326.13 is: 4,989.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.08 : 16,083.17 = 3,326.13 : x
  2. Step 2: Convert to fraction form
    10,721.08/16,083.17 = 3,326.13/x
  3. Step 3: Cross multiply
    10,721.08x = 16,083.17 × 3,326.13
  4. Step 4: Simplify right side
    10,721.08x = 53,494,714.23
  5. Step 5: Solve for x
    x = 53,494,714.23/10,721.08
  6. Step 6: Final answer
    x = 4,989.68

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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.