Home / 13,636.14-20,450.43-3,774.66

Finding the Fourth Proportional to 13,636.14, 20,450.43 and 3,774.66

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Solution

The fourth proportional to 13,636.14, 20,450.43 and 3,774.66 is: 5,660.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636.14 : 20,450.43 = 3,774.66 : x
  2. Step 2: Convert to fraction form
    13,636.14/20,450.43 = 3,774.66/x
  3. Step 3: Cross multiply
    13,636.14x = 20,450.43 × 3,774.66
  4. Step 4: Simplify right side
    13,636.14x = 77,193,420.10
  5. Step 5: Solve for x
    x = 77,193,420.10/13,636.14
  6. Step 6: Final answer
    x = 5,660.94

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1.5x scale

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.