Home / 13,794.48-20,684.58-6,771.36

Finding the Fourth Proportional to 13,794.48, 20,684.58 and 6,771.36

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Solution

The fourth proportional to 13,794.48, 20,684.58 and 6,771.36 is: 10,153.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794.48 : 20,684.58 = 6,771.36 : x
  2. Step 2: Convert to fraction form
    13,794.48/20,684.58 = 6,771.36/x
  3. Step 3: Cross multiply
    13,794.48x = 20,684.58 × 6,771.36
  4. Step 4: Simplify right side
    13,794.48x = 140,062,737.63
  5. Step 5: Solve for x
    x = 140,062,737.63/13,794.48
  6. Step 6: Final answer
    x = 10,153.54

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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.