Home / 13,842.83-20,764.32-3,454.58

Finding the Fourth Proportional to 13,842.83, 20,764.32 and 3,454.58

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Solution

The fourth proportional to 13,842.83, 20,764.32 and 3,454.58 is: 5,181.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842.83 : 20,764.32 = 3,454.58 : x
  2. Step 2: Convert to fraction form
    13,842.83/20,764.32 = 3,454.58/x
  3. Step 3: Cross multiply
    13,842.83x = 20,764.32 × 3,454.58
  4. Step 4: Simplify right side
    13,842.83x = 71,732,004.59
  5. Step 5: Solve for x
    x = 71,732,004.59/13,842.83
  6. Step 6: Final answer
    x = 5,181.89

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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.