Home / 13,300.89-19,963.70-6,731.73

Finding the Fourth Proportional to 13,300.89, 19,963.70 and 6,731.73

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Solution

The fourth proportional to 13,300.89, 19,963.70 and 6,731.73 is: 10,103.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300.89 : 19,963.70 = 6,731.73 : x
  2. Step 2: Convert to fraction form
    13,300.89/19,963.70 = 6,731.73/x
  3. Step 3: Cross multiply
    13,300.89x = 19,963.70 × 6,731.73
  4. Step 4: Simplify right side
    13,300.89x = 134,390,204.54
  5. Step 5: Solve for x
    x = 134,390,204.54/13,300.89
  6. Step 6: Final answer
    x = 10,103.85

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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.