Home / 13,660.54-20,474.36-5,760

Finding the Fourth Proportional to 13,660.54, 20,474.36 and 5,760

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Solution

The fourth proportional to 13,660.54, 20,474.36 and 5,760 is: 8,633.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.54 : 20,474.36 = 5,760 : x
  2. Step 2: Convert to fraction form
    13,660.54/20,474.36 = 5,760/x
  3. Step 3: Cross multiply
    13,660.54x = 20,474.36 × 5,760
  4. Step 4: Simplify right side
    13,660.54x = 117,932,306.40
  5. Step 5: Solve for x
    x = 117,932,306.40/13,660.54
  6. Step 6: Final answer
    x = 8,633.06

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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.