Home / 13,207.73-19,812.63-3,847.89

Finding the Fourth Proportional to 13,207.73, 19,812.63 and 3,847.89

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Solution

The fourth proportional to 13,207.73, 19,812.63 and 3,847.89 is: 5,772.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.73 : 19,812.63 = 3,847.89 : x
  2. Step 2: Convert to fraction form
    13,207.73/19,812.63 = 3,847.89/x
  3. Step 3: Cross multiply
    13,207.73x = 19,812.63 × 3,847.89
  4. Step 4: Simplify right side
    13,207.73x = 76,236,820.85
  5. Step 5: Solve for x
    x = 76,236,820.85/13,207.73
  6. Step 6: Final answer
    x = 5,772.14

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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.