Home / 19,379.43-26,743.64-12,676.41

Finding the Fourth Proportional to 19,379.43, 26,743.64 and 12,676.41

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Solution

The fourth proportional to 19,379.43, 26,743.64 and 12,676.41 is: 17,493.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379.43 : 26,743.64 = 12,676.41 : x
  2. Step 2: Convert to fraction form
    19,379.43/26,743.64 = 12,676.41/x
  3. Step 3: Cross multiply
    19,379.43x = 26,743.64 × 12,676.41
  4. Step 4: Simplify right side
    19,379.43x = 339,013,282.15
  5. Step 5: Solve for x
    x = 339,013,282.15/19,379.43
  6. Step 6: Final answer
    x = 17,493.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.