Home / 12,372.55-18,559.23-3,606.73

Finding the Fourth Proportional to 12,372.55, 18,559.23 and 3,606.73

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Solution

The fourth proportional to 12,372.55, 18,559.23 and 3,606.73 is: 5,410.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.55 : 18,559.23 = 3,606.73 : x
  2. Step 2: Convert to fraction form
    12,372.55/18,559.23 = 3,606.73/x
  3. Step 3: Cross multiply
    12,372.55x = 18,559.23 × 3,606.73
  4. Step 4: Simplify right side
    12,372.55x = 66,938,131.62
  5. Step 5: Solve for x
    x = 66,938,131.62/12,372.55
  6. Step 6: Final answer
    x = 5,410.21

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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.