Home / 13,828.56-20,746.44-3,968.58

Finding the Fourth Proportional to 13,828.56, 20,746.44 and 3,968.58

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Solution

The fourth proportional to 13,828.56, 20,746.44 and 3,968.58 is: 5,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.56 : 20,746.44 = 3,968.58 : x
  2. Step 2: Convert to fraction form
    13,828.56/20,746.44 = 3,968.58/x
  3. Step 3: Cross multiply
    13,828.56x = 20,746.44 × 3,968.58
  4. Step 4: Simplify right side
    13,828.56x = 82,333,906.86
  5. Step 5: Solve for x
    x = 82,333,906.86/13,828.56
  6. Step 6: Final answer
    x = 5,953.90

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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.