Home / 13,599.20-20,395.56-3,739.22

Finding the Fourth Proportional to 13,599.20, 20,395.56 and 3,739.22

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Solution

The fourth proportional to 13,599.20, 20,395.56 and 3,739.22 is: 5,607.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.20 : 20,395.56 = 3,739.22 : x
  2. Step 2: Convert to fraction form
    13,599.20/20,395.56 = 3,739.22/x
  3. Step 3: Cross multiply
    13,599.20x = 20,395.56 × 3,739.22
  4. Step 4: Simplify right side
    13,599.20x = 76,263,485.86
  5. Step 5: Solve for x
    x = 76,263,485.86/13,599.20
  6. Step 6: Final answer
    x = 5,607.94

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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.