Home / 15,579.87-23,369.87-3,893.10

Finding the Fourth Proportional to 15,579.87, 23,369.87 and 3,893.10

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Solution

The fourth proportional to 15,579.87, 23,369.87 and 3,893.10 is: 5,839.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579.87 : 23,369.87 = 3,893.10 : x
  2. Step 2: Convert to fraction form
    15,579.87/23,369.87 = 3,893.10/x
  3. Step 3: Cross multiply
    15,579.87x = 23,369.87 × 3,893.10
  4. Step 4: Simplify right side
    15,579.87x = 90,981,240.90
  5. Step 5: Solve for x
    x = 90,981,240.90/15,579.87
  6. Step 6: Final answer
    x = 5,839.67

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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.