Home / 13,687.26-20,533.97-4,327.84

Finding the Fourth Proportional to 13,687.26, 20,533.97 and 4,327.84

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Solution

The fourth proportional to 13,687.26, 20,533.97 and 4,327.84 is: 6,492.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,687.26 : 20,533.97 = 4,327.84 : x
  2. Step 2: Convert to fraction form
    13,687.26/20,533.97 = 4,327.84/x
  3. Step 3: Cross multiply
    13,687.26x = 20,533.97 × 4,327.84
  4. Step 4: Simplify right side
    13,687.26x = 88,867,773.21
  5. Step 5: Solve for x
    x = 88,867,773.21/13,687.26
  6. Step 6: Final answer
    x = 6,492.74

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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.