Home / 10,929.92-16,395.04-2,721.92

Finding the Fourth Proportional to 10,929.92, 16,395.04 and 2,721.92

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Solution

The fourth proportional to 10,929.92, 16,395.04 and 2,721.92 is: 4,082.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929.92 : 16,395.04 = 2,721.92 : x
  2. Step 2: Convert to fraction form
    10,929.92/16,395.04 = 2,721.92/x
  3. Step 3: Cross multiply
    10,929.92x = 16,395.04 × 2,721.92
  4. Step 4: Simplify right side
    10,929.92x = 44,625,987.28
  5. Step 5: Solve for x
    x = 44,625,987.28/10,929.92
  6. Step 6: Final answer
    x = 4,082.92

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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.