Home / 13,601.28-18,769.20-7,633.44

Finding the Fourth Proportional to 13,601.28, 18,769.20 and 7,633.44

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Solution

The fourth proportional to 13,601.28, 18,769.20 and 7,633.44 is: 10,533.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.28 : 18,769.20 = 7,633.44 : x
  2. Step 2: Convert to fraction form
    13,601.28/18,769.20 = 7,633.44/x
  3. Step 3: Cross multiply
    13,601.28x = 18,769.20 × 7,633.44
  4. Step 4: Simplify right side
    13,601.28x = 143,273,562.05
  5. Step 5: Solve for x
    x = 143,273,562.05/13,601.28
  6. Step 6: Final answer
    x = 10,533.83

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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.