Home / 12,539.96-18,811.44-3,773.60

Finding the Fourth Proportional to 12,539.96, 18,811.44 and 3,773.60

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Solution

The fourth proportional to 12,539.96, 18,811.44 and 3,773.60 is: 5,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539.96 : 18,811.44 = 3,773.60 : x
  2. Step 2: Convert to fraction form
    12,539.96/18,811.44 = 3,773.60/x
  3. Step 3: Cross multiply
    12,539.96x = 18,811.44 × 3,773.60
  4. Step 4: Simplify right side
    12,539.96x = 70,986,849.98
  5. Step 5: Solve for x
    x = 70,986,849.98/12,539.96
  6. Step 6: Final answer
    x = 5,660.85

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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.