Home / 13,293.15-19,942.93-3,805.61

Finding the Fourth Proportional to 13,293.15, 19,942.93 and 3,805.61

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Solution

The fourth proportional to 13,293.15, 19,942.93 and 3,805.61 is: 5,709.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.15 : 19,942.93 = 3,805.61 : x
  2. Step 2: Convert to fraction form
    13,293.15/19,942.93 = 3,805.61/x
  3. Step 3: Cross multiply
    13,293.15x = 19,942.93 × 3,805.61
  4. Step 4: Simplify right side
    13,293.15x = 75,895,013.84
  5. Step 5: Solve for x
    x = 75,895,013.84/13,293.15
  6. Step 6: Final answer
    x = 5,709.33

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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.