Home / 11,869.96-17,792.39-4,471.22

Finding the Fourth Proportional to 11,869.96, 17,792.39 and 4,471.22

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Solution

The fourth proportional to 11,869.96, 17,792.39 and 4,471.22 is: 6,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.96 : 17,792.39 = 4,471.22 : x
  2. Step 2: Convert to fraction form
    11,869.96/17,792.39 = 4,471.22/x
  3. Step 3: Cross multiply
    11,869.96x = 17,792.39 × 4,471.22
  4. Step 4: Simplify right side
    11,869.96x = 79,553,623.18
  5. Step 5: Solve for x
    x = 79,553,623.18/11,869.96
  6. Step 6: Final answer
    x = 6,702.10

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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.