Home / 13,633.28-18,847.46-13,508.54

Finding the Fourth Proportional to 13,633.28, 18,847.46 and 13,508.54

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Solution

The fourth proportional to 13,633.28, 18,847.46 and 13,508.54 is: 18,675.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.28 : 18,847.46 = 13,508.54 : x
  2. Step 2: Convert to fraction form
    13,633.28/18,847.46 = 13,508.54/x
  3. Step 3: Cross multiply
    13,633.28x = 18,847.46 × 13,508.54
  4. Step 4: Simplify right side
    13,633.28x = 254,601,667.31
  5. Step 5: Solve for x
    x = 254,601,667.31/13,633.28
  6. Step 6: Final answer
    x = 18,675.01

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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.