Home / 13,212.76-19,822.24-3,852.96

Finding the Fourth Proportional to 13,212.76, 19,822.24 and 3,852.96

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Solution

The fourth proportional to 13,212.76, 19,822.24 and 3,852.96 is: 5,780.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.76 : 19,822.24 = 3,852.96 : x
  2. Step 2: Convert to fraction form
    13,212.76/19,822.24 = 3,852.96/x
  3. Step 3: Cross multiply
    13,212.76x = 19,822.24 × 3,852.96
  4. Step 4: Simplify right side
    13,212.76x = 76,374,297.83
  5. Step 5: Solve for x
    x = 76,374,297.83/13,212.76
  6. Step 6: Final answer
    x = 5,780.34

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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.