Home / 13,764.74-20,639.61-6,735.96

Finding the Fourth Proportional to 13,764.74, 20,639.61 and 6,735.96

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Solution

The fourth proportional to 13,764.74, 20,639.61 and 6,735.96 is: 10,100.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.74 : 20,639.61 = 6,735.96 : x
  2. Step 2: Convert to fraction form
    13,764.74/20,639.61 = 6,735.96/x
  3. Step 3: Cross multiply
    13,764.74x = 20,639.61 × 6,735.96
  4. Step 4: Simplify right side
    13,764.74x = 139,027,587.38
  5. Step 5: Solve for x
    x = 139,027,587.38/13,764.74
  6. Step 6: Final answer
    x = 10,100.27

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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.