Home / 13,181.70-19,773.03-3,948.42

Finding the Fourth Proportional to 13,181.70, 19,773.03 and 3,948.42

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Solution

The fourth proportional to 13,181.70, 19,773.03 and 3,948.42 is: 5,922.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181.70 : 19,773.03 = 3,948.42 : x
  2. Step 2: Convert to fraction form
    13,181.70/19,773.03 = 3,948.42/x
  3. Step 3: Cross multiply
    13,181.70x = 19,773.03 × 3,948.42
  4. Step 4: Simplify right side
    13,181.70x = 78,072,227.11
  5. Step 5: Solve for x
    x = 78,072,227.11/13,181.70
  6. Step 6: Final answer
    x = 5,922.77

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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.