Home / 13,599.63-20,399.45-3,738.69

Finding the Fourth Proportional to 13,599.63, 20,399.45 and 3,738.69

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Solution

The fourth proportional to 13,599.63, 20,399.45 and 3,738.69 is: 5,608.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.63 : 20,399.45 = 3,738.69 : x
  2. Step 2: Convert to fraction form
    13,599.63/20,399.45 = 3,738.69/x
  3. Step 3: Cross multiply
    13,599.63x = 20,399.45 × 3,738.69
  4. Step 4: Simplify right side
    13,599.63x = 76,267,201.03
  5. Step 5: Solve for x
    x = 76,267,201.03/13,599.63
  6. Step 6: Final answer
    x = 5,608.04

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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.