Home / 12,199.63-18,286.86-4,801.09

Finding the Fourth Proportional to 12,199.63, 18,286.86 and 4,801.09

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Solution

The fourth proportional to 12,199.63, 18,286.86 and 4,801.09 is: 7,196.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.63 : 18,286.86 = 4,801.09 : x
  2. Step 2: Convert to fraction form
    12,199.63/18,286.86 = 4,801.09/x
  3. Step 3: Cross multiply
    12,199.63x = 18,286.86 × 4,801.09
  4. Step 4: Simplify right side
    12,199.63x = 87,796,860.68
  5. Step 5: Solve for x
    x = 87,796,860.68/12,199.63
  6. Step 6: Final answer
    x = 7,196.68

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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.