Home / 13,209.76-19,817.73-3,849.96

Finding the Fourth Proportional to 13,209.76, 19,817.73 and 3,849.96

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Solution

The fourth proportional to 13,209.76, 19,817.73 and 3,849.96 is: 5,775.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209.76 : 19,817.73 = 3,849.96 : x
  2. Step 2: Convert to fraction form
    13,209.76/19,817.73 = 3,849.96/x
  3. Step 3: Cross multiply
    13,209.76x = 19,817.73 × 3,849.96
  4. Step 4: Simplify right side
    13,209.76x = 76,297,467.79
  5. Step 5: Solve for x
    x = 76,297,467.79/13,209.76
  6. Step 6: Final answer
    x = 5,775.84

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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.