Home / 12,171.15-18,251.33-5,599.35

Finding the Fourth Proportional to 12,171.15, 18,251.33 and 5,599.35

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Solution

The fourth proportional to 12,171.15, 18,251.33 and 5,599.35 is: 8,396.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171.15 : 18,251.33 = 5,599.35 : x
  2. Step 2: Convert to fraction form
    12,171.15/18,251.33 = 5,599.35/x
  3. Step 3: Cross multiply
    12,171.15x = 18,251.33 × 5,599.35
  4. Step 4: Simplify right side
    12,171.15x = 102,195,556.64
  5. Step 5: Solve for x
    x = 102,195,556.64/12,171.15
  6. Step 6: Final answer
    x = 8,396.54

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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.