Home / 13,193.03-19,787.71-3,331.71

Finding the Fourth Proportional to 13,193.03, 19,787.71 and 3,331.71

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Solution

The fourth proportional to 13,193.03, 19,787.71 and 3,331.71 is: 4,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.03 : 19,787.71 = 3,331.71 : x
  2. Step 2: Convert to fraction form
    13,193.03/19,787.71 = 3,331.71/x
  3. Step 3: Cross multiply
    13,193.03x = 19,787.71 × 3,331.71
  4. Step 4: Simplify right side
    13,193.03x = 65,926,911.28
  5. Step 5: Solve for x
    x = 65,926,911.28/13,193.03
  6. Step 6: Final answer
    x = 4,997.10

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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.