Home / 13,753.55-20,622.57-4,391.36

Finding the Fourth Proportional to 13,753.55, 20,622.57 and 4,391.36

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Solution

The fourth proportional to 13,753.55, 20,622.57 and 4,391.36 is: 6,584.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.55 : 20,622.57 = 4,391.36 : x
  2. Step 2: Convert to fraction form
    13,753.55/20,622.57 = 4,391.36/x
  3. Step 3: Cross multiply
    13,753.55x = 20,622.57 × 4,391.36
  4. Step 4: Simplify right side
    13,753.55x = 90,561,129.00
  5. Step 5: Solve for x
    x = 90,561,129.00/13,753.55
  6. Step 6: Final answer
    x = 6,584.56

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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.