Home / 13,383.79-20,076.71-3,522.92

Finding the Fourth Proportional to 13,383.79, 20,076.71 and 3,522.92

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Solution

The fourth proportional to 13,383.79, 20,076.71 and 3,522.92 is: 5,284.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.79 : 20,076.71 = 3,522.92 : x
  2. Step 2: Convert to fraction form
    13,383.79/20,076.71 = 3,522.92/x
  3. Step 3: Cross multiply
    13,383.79x = 20,076.71 × 3,522.92
  4. Step 4: Simplify right side
    13,383.79x = 70,728,625.58
  5. Step 5: Solve for x
    x = 70,728,625.58/13,383.79
  6. Step 6: Final answer
    x = 5,284.65

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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.