Home / 13,194.30-19,791.45-5,408.70

Finding the Fourth Proportional to 13,194.30, 19,791.45 and 5,408.70

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Solution

The fourth proportional to 13,194.30, 19,791.45 and 5,408.70 is: 8,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.30 : 19,791.45 = 5,408.70 : x
  2. Step 2: Convert to fraction form
    13,194.30/19,791.45 = 5,408.70/x
  3. Step 3: Cross multiply
    13,194.30x = 19,791.45 × 5,408.70
  4. Step 4: Simplify right side
    13,194.30x = 107,046,015.62
  5. Step 5: Solve for x
    x = 107,046,015.62/13,194.30
  6. Step 6: Final answer
    x = 8,113.05

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1.5x scale

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.