Home / 13,727.75-20,579.41-4,960.72

Finding the Fourth Proportional to 13,727.75, 20,579.41 and 4,960.72

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Solution

The fourth proportional to 13,727.75, 20,579.41 and 4,960.72 is: 7,436.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.75 : 20,579.41 = 4,960.72 : x
  2. Step 2: Convert to fraction form
    13,727.75/20,579.41 = 4,960.72/x
  3. Step 3: Cross multiply
    13,727.75x = 20,579.41 × 4,960.72
  4. Step 4: Simplify right side
    13,727.75x = 102,088,563.07
  5. Step 5: Solve for x
    x = 102,088,563.07/13,727.75
  6. Step 6: Final answer
    x = 7,436.66

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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.