Home / 13,486.92-20,230.30-3,625.36

Finding the Fourth Proportional to 13,486.92, 20,230.30 and 3,625.36

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Solution

The fourth proportional to 13,486.92, 20,230.30 and 3,625.36 is: 5,438.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486.92 : 20,230.30 = 3,625.36 : x
  2. Step 2: Convert to fraction form
    13,486.92/20,230.30 = 3,625.36/x
  3. Step 3: Cross multiply
    13,486.92x = 20,230.30 × 3,625.36
  4. Step 4: Simplify right side
    13,486.92x = 73,342,120.41
  5. Step 5: Solve for x
    x = 73,342,120.41/13,486.92
  6. Step 6: Final answer
    x = 5,438.02

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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.