Home / 13,924.16-20,885.92-3,394.26

Finding the Fourth Proportional to 13,924.16, 20,885.92 and 3,394.26

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Solution

The fourth proportional to 13,924.16, 20,885.92 and 3,394.26 is: 5,091.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.16 : 20,885.92 = 3,394.26 : x
  2. Step 2: Convert to fraction form
    13,924.16/20,885.92 = 3,394.26/x
  3. Step 3: Cross multiply
    13,924.16x = 20,885.92 × 3,394.26
  4. Step 4: Simplify right side
    13,924.16x = 70,892,234.33
  5. Step 5: Solve for x
    x = 70,892,234.33/13,924.16
  6. Step 6: Final answer
    x = 5,091.31

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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.