Home / 13,717.94-20,575.26-5,821.61

Finding the Fourth Proportional to 13,717.94, 20,575.26 and 5,821.61

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Solution

The fourth proportional to 13,717.94, 20,575.26 and 5,821.61 is: 8,731.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.94 : 20,575.26 = 5,821.61 : x
  2. Step 2: Convert to fraction form
    13,717.94/20,575.26 = 5,821.61/x
  3. Step 3: Cross multiply
    13,717.94x = 20,575.26 × 5,821.61
  4. Step 4: Simplify right side
    13,717.94x = 119,781,036.49
  5. Step 5: Solve for x
    x = 119,781,036.49/13,717.94
  6. Step 6: Final answer
    x = 8,731.71

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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.