Home / 13,394.44-20,122.44-9,454.78

Finding the Fourth Proportional to 13,394.44, 20,122.44 and 9,454.78

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Solution

The fourth proportional to 13,394.44, 20,122.44 and 9,454.78 is: 14,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.44 : 20,122.44 = 9,454.78 : x
  2. Step 2: Convert to fraction form
    13,394.44/20,122.44 = 9,454.78/x
  3. Step 3: Cross multiply
    13,394.44x = 20,122.44 × 9,454.78
  4. Step 4: Simplify right side
    13,394.44x = 190,253,243.26
  5. Step 5: Solve for x
    x = 190,253,243.26/13,394.44
  6. Step 6: Final answer
    x = 14,203.90

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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.