Home / 13,268.77-19,903.10-3,408.03

Finding the Fourth Proportional to 13,268.77, 19,903.10 and 3,408.03

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Solution

The fourth proportional to 13,268.77, 19,903.10 and 3,408.03 is: 5,112.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.77 : 19,903.10 = 3,408.03 : x
  2. Step 2: Convert to fraction form
    13,268.77/19,903.10 = 3,408.03/x
  3. Step 3: Cross multiply
    13,268.77x = 19,903.10 × 3,408.03
  4. Step 4: Simplify right side
    13,268.77x = 67,830,344.85
  5. Step 5: Solve for x
    x = 67,830,344.85/13,268.77
  6. Step 6: Final answer
    x = 5,112.03

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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.