Home / 12,255.84-18,383.58-3,021.84

Finding the Fourth Proportional to 12,255.84, 18,383.58 and 3,021.84

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Solution

The fourth proportional to 12,255.84, 18,383.58 and 3,021.84 is: 4,532.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,255.84 : 18,383.58 = 3,021.84 : x
  2. Step 2: Convert to fraction form
    12,255.84/18,383.58 = 3,021.84/x
  3. Step 3: Cross multiply
    12,255.84x = 18,383.58 × 3,021.84
  4. Step 4: Simplify right side
    12,255.84x = 55,552,237.39
  5. Step 5: Solve for x
    x = 55,552,237.39/12,255.84
  6. Step 6: Final answer
    x = 4,532.72

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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.