Home / 13,633.63-20,449.86-4,273.44

Finding the Fourth Proportional to 13,633.63, 20,449.86 and 4,273.44

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Solution

The fourth proportional to 13,633.63, 20,449.86 and 4,273.44 is: 6,409.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.63 : 20,449.86 = 4,273.44 : x
  2. Step 2: Convert to fraction form
    13,633.63/20,449.86 = 4,273.44/x
  3. Step 3: Cross multiply
    13,633.63x = 20,449.86 × 4,273.44
  4. Step 4: Simplify right side
    13,633.63x = 87,391,157.01
  5. Step 5: Solve for x
    x = 87,391,157.01/13,633.63
  6. Step 6: Final answer
    x = 6,409.97

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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.