Home / 12,609.26-18,916.70-3,844.86

Finding the Fourth Proportional to 12,609.26, 18,916.70 and 3,844.86

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Solution

The fourth proportional to 12,609.26, 18,916.70 and 3,844.86 is: 5,768.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609.26 : 18,916.70 = 3,844.86 : x
  2. Step 2: Convert to fraction form
    12,609.26/18,916.70 = 3,844.86/x
  3. Step 3: Cross multiply
    12,609.26x = 18,916.70 × 3,844.86
  4. Step 4: Simplify right side
    12,609.26x = 72,732,063.16
  5. Step 5: Solve for x
    x = 72,732,063.16/12,609.26
  6. Step 6: Final answer
    x = 5,768.15

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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.