Home / 13,512.30-20,268.45-3,651.30

Finding the Fourth Proportional to 13,512.30, 20,268.45 and 3,651.30

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Solution

The fourth proportional to 13,512.30, 20,268.45 and 3,651.30 is: 5,476.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.30 : 20,268.45 = 3,651.30 : x
  2. Step 2: Convert to fraction form
    13,512.30/20,268.45 = 3,651.30/x
  3. Step 3: Cross multiply
    13,512.30x = 20,268.45 × 3,651.30
  4. Step 4: Simplify right side
    13,512.30x = 74,006,191.49
  5. Step 5: Solve for x
    x = 74,006,191.49/13,512.30
  6. Step 6: Final answer
    x = 5,476.95

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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.