Home / 13,629.92-20,444.90-3,769.25

Finding the Fourth Proportional to 13,629.92, 20,444.90 and 3,769.25

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Solution

The fourth proportional to 13,629.92, 20,444.90 and 3,769.25 is: 5,653.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,629.92 : 20,444.90 = 3,769.25 : x
  2. Step 2: Convert to fraction form
    13,629.92/20,444.90 = 3,769.25/x
  3. Step 3: Cross multiply
    13,629.92x = 20,444.90 × 3,769.25
  4. Step 4: Simplify right side
    13,629.92x = 77,061,818.25
  5. Step 5: Solve for x
    x = 77,061,818.25/13,629.92
  6. Step 6: Final answer
    x = 5,653.87

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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.