Home / 13,268.11-19,897.94-4,381.79

Finding the Fourth Proportional to 13,268.11, 19,897.94 and 4,381.79

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Solution

The fourth proportional to 13,268.11, 19,897.94 and 4,381.79 is: 6,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.11 : 19,897.94 = 4,381.79 : x
  2. Step 2: Convert to fraction form
    13,268.11/19,897.94 = 4,381.79/x
  3. Step 3: Cross multiply
    13,268.11x = 19,897.94 × 4,381.79
  4. Step 4: Simplify right side
    13,268.11x = 87,188,594.51
  5. Step 5: Solve for x
    x = 87,188,594.51/13,268.11
  6. Step 6: Final answer
    x = 6,571.29

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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.