Home / 13,560.44-20,355.03-12,010.50

Finding the Fourth Proportional to 13,560.44, 20,355.03 and 12,010.50

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Solution

The fourth proportional to 13,560.44, 20,355.03 and 12,010.50 is: 18,028.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.44 : 20,355.03 = 12,010.50 : x
  2. Step 2: Convert to fraction form
    13,560.44/20,355.03 = 12,010.50/x
  3. Step 3: Cross multiply
    13,560.44x = 20,355.03 × 12,010.50
  4. Step 4: Simplify right side
    13,560.44x = 244,474,087.82
  5. Step 5: Solve for x
    x = 244,474,087.82/13,560.44
  6. Step 6: Final answer
    x = 18,028.48

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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.