Home / 13,991.97-19,303.03-9,268.05

Finding the Fourth Proportional to 13,991.97, 19,303.03 and 9,268.05

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Solution

The fourth proportional to 13,991.97, 19,303.03 and 9,268.05 is: 12,786.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991.97 : 19,303.03 = 9,268.05 : x
  2. Step 2: Convert to fraction form
    13,991.97/19,303.03 = 9,268.05/x
  3. Step 3: Cross multiply
    13,991.97x = 19,303.03 × 9,268.05
  4. Step 4: Simplify right side
    13,991.97x = 178,901,400.85
  5. Step 5: Solve for x
    x = 178,901,400.85/13,991.97
  6. Step 6: Final answer
    x = 12,786.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.