Home / 11,876.32-17,814.94-4,480.62

Finding the Fourth Proportional to 11,876.32, 17,814.94 and 4,480.62

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Solution

The fourth proportional to 11,876.32, 17,814.94 and 4,480.62 is: 6,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.32 : 17,814.94 = 4,480.62 : x
  2. Step 2: Convert to fraction form
    11,876.32/17,814.94 = 4,480.62/x
  3. Step 3: Cross multiply
    11,876.32x = 17,814.94 × 4,480.62
  4. Step 4: Simplify right side
    11,876.32x = 79,821,898.46
  5. Step 5: Solve for x
    x = 79,821,898.46/11,876.32
  6. Step 6: Final answer
    x = 6,721.10

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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.