Home / 11,288.68-16,929.28-3,892.96

Finding the Fourth Proportional to 11,288.68, 16,929.28 and 3,892.96

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Solution

The fourth proportional to 11,288.68, 16,929.28 and 3,892.96 is: 5,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.68 : 16,929.28 = 3,892.96 : x
  2. Step 2: Convert to fraction form
    11,288.68/16,929.28 = 3,892.96/x
  3. Step 3: Cross multiply
    11,288.68x = 16,929.28 × 3,892.96
  4. Step 4: Simplify right side
    11,288.68x = 65,905,009.87
  5. Step 5: Solve for x
    x = 65,905,009.87/11,288.68
  6. Step 6: Final answer
    x = 5,838.15

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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.