Home / 19,390.33-26,761.17-11,835.09

Finding the Fourth Proportional to 19,390.33, 26,761.17 and 11,835.09

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Solution

The fourth proportional to 19,390.33, 26,761.17 and 11,835.09 is: 16,333.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.33 : 26,761.17 = 11,835.09 : x
  2. Step 2: Convert to fraction form
    19,390.33/26,761.17 = 11,835.09/x
  3. Step 3: Cross multiply
    19,390.33x = 26,761.17 × 11,835.09
  4. Step 4: Simplify right side
    19,390.33x = 316,720,662.47
  5. Step 5: Solve for x
    x = 316,720,662.47/19,390.33
  6. Step 6: Final answer
    x = 16,333.95

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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.