Home / 13,922.88-20,884.05-3,392.94

Finding the Fourth Proportional to 13,922.88, 20,884.05 and 3,392.94

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Solution

The fourth proportional to 13,922.88, 20,884.05 and 3,392.94 is: 5,089.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.88 : 20,884.05 = 3,392.94 : x
  2. Step 2: Convert to fraction form
    13,922.88/20,884.05 = 3,392.94/x
  3. Step 3: Cross multiply
    13,922.88x = 20,884.05 × 3,392.94
  4. Step 4: Simplify right side
    13,922.88x = 70,858,328.61
  5. Step 5: Solve for x
    x = 70,858,328.61/13,922.88
  6. Step 6: Final answer
    x = 5,089.34

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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.