Home / 13,914.99-20,872.89-4,054.05

Finding the Fourth Proportional to 13,914.99, 20,872.89 and 4,054.05

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Solution

The fourth proportional to 13,914.99, 20,872.89 and 4,054.05 is: 6,081.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.99 : 20,872.89 = 4,054.05 : x
  2. Step 2: Convert to fraction form
    13,914.99/20,872.89 = 4,054.05/x
  3. Step 3: Cross multiply
    13,914.99x = 20,872.89 × 4,054.05
  4. Step 4: Simplify right side
    13,914.99x = 84,619,739.70
  5. Step 5: Solve for x
    x = 84,619,739.70/13,914.99
  6. Step 6: Final answer
    x = 6,081.19

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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.