Home / 13,710.41-20,564.03-3,850.54

Finding the Fourth Proportional to 13,710.41, 20,564.03 and 3,850.54

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Solution

The fourth proportional to 13,710.41, 20,564.03 and 3,850.54 is: 5,775.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,710.41 : 20,564.03 = 3,850.54 : x
  2. Step 2: Convert to fraction form
    13,710.41/20,564.03 = 3,850.54/x
  3. Step 3: Cross multiply
    13,710.41x = 20,564.03 × 3,850.54
  4. Step 4: Simplify right side
    13,710.41x = 79,182,556.63
  5. Step 5: Solve for x
    x = 79,182,556.63/13,710.41
  6. Step 6: Final answer
    x = 5,775.36

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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.