Home / 12,299.05-18,446.59-3,531.97

Finding the Fourth Proportional to 12,299.05, 18,446.59 and 3,531.97

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Solution

The fourth proportional to 12,299.05, 18,446.59 and 3,531.97 is: 5,297.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.05 : 18,446.59 = 3,531.97 : x
  2. Step 2: Convert to fraction form
    12,299.05/18,446.59 = 3,531.97/x
  3. Step 3: Cross multiply
    12,299.05x = 18,446.59 × 3,531.97
  4. Step 4: Simplify right side
    12,299.05x = 65,152,802.48
  5. Step 5: Solve for x
    x = 65,152,802.48/12,299.05
  6. Step 6: Final answer
    x = 5,297.38

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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.