Home / 13,610.37-20,415.56-3,749.75

Finding the Fourth Proportional to 13,610.37, 20,415.56 and 3,749.75

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Solution

The fourth proportional to 13,610.37, 20,415.56 and 3,749.75 is: 5,624.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610.37 : 20,415.56 = 3,749.75 : x
  2. Step 2: Convert to fraction form
    13,610.37/20,415.56 = 3,749.75/x
  3. Step 3: Cross multiply
    13,610.37x = 20,415.56 × 3,749.75
  4. Step 4: Simplify right side
    13,610.37x = 76,553,125.28
  5. Step 5: Solve for x
    x = 76,553,125.28/13,610.37
  6. Step 6: Final answer
    x = 5,624.62

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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.