Home / 13,711.31-20,566.81-3,850.07

Finding the Fourth Proportional to 13,711.31, 20,566.81 and 3,850.07

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Solution

The fourth proportional to 13,711.31, 20,566.81 and 3,850.07 is: 5,775.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.31 : 20,566.81 = 3,850.07 : x
  2. Step 2: Convert to fraction form
    13,711.31/20,566.81 = 3,850.07/x
  3. Step 3: Cross multiply
    13,711.31x = 20,566.81 × 3,850.07
  4. Step 4: Simplify right side
    13,711.31x = 79,183,560.16
  5. Step 5: Solve for x
    x = 79,183,560.16/13,711.31
  6. Step 6: Final answer
    x = 5,775.05

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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.