Home / 13,753.38-20,628.24-3,893.52

Finding the Fourth Proportional to 13,753.38, 20,628.24 and 3,893.52

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Solution

The fourth proportional to 13,753.38, 20,628.24 and 3,893.52 is: 5,839.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.38 : 20,628.24 = 3,893.52 : x
  2. Step 2: Convert to fraction form
    13,753.38/20,628.24 = 3,893.52/x
  3. Step 3: Cross multiply
    13,753.38x = 20,628.24 × 3,893.52
  4. Step 4: Simplify right side
    13,753.38x = 80,316,465.00
  5. Step 5: Solve for x
    x = 80,316,465.00/13,753.38
  6. Step 6: Final answer
    x = 5,839.76

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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.