Home / 13,512.92-18,682.62-10,379.48

Finding the Fourth Proportional to 13,512.92, 18,682.62 and 10,379.48

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Solution

The fourth proportional to 13,512.92, 18,682.62 and 10,379.48 is: 14,350.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.92 : 18,682.62 = 10,379.48 : x
  2. Step 2: Convert to fraction form
    13,512.92/18,682.62 = 10,379.48/x
  3. Step 3: Cross multiply
    13,512.92x = 18,682.62 × 10,379.48
  4. Step 4: Simplify right side
    13,512.92x = 193,915,880.64
  5. Step 5: Solve for x
    x = 193,915,880.64/13,512.92
  6. Step 6: Final answer
    x = 14,350.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.