Home / 11,320.62-16,981.83-3,922.08

Finding the Fourth Proportional to 11,320.62, 16,981.83 and 3,922.08

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Solution

The fourth proportional to 11,320.62, 16,981.83 and 3,922.08 is: 5,883.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.62 : 16,981.83 = 3,922.08 : x
  2. Step 2: Convert to fraction form
    11,320.62/16,981.83 = 3,922.08/x
  3. Step 3: Cross multiply
    11,320.62x = 16,981.83 × 3,922.08
  4. Step 4: Simplify right side
    11,320.62x = 66,604,095.81
  5. Step 5: Solve for x
    x = 66,604,095.81/11,320.62
  6. Step 6: Final answer
    x = 5,883.43

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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.