Home / 12,069.95-18,103.80-4,171.73

Finding the Fourth Proportional to 12,069.95, 18,103.80 and 4,171.73

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Solution

The fourth proportional to 12,069.95, 18,103.80 and 4,171.73 is: 6,257.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.95 : 18,103.80 = 4,171.73 : x
  2. Step 2: Convert to fraction form
    12,069.95/18,103.80 = 4,171.73/x
  3. Step 3: Cross multiply
    12,069.95x = 18,103.80 × 4,171.73
  4. Step 4: Simplify right side
    12,069.95x = 75,524,165.57
  5. Step 5: Solve for x
    x = 75,524,165.57/12,069.95
  6. Step 6: Final answer
    x = 6,257.21

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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.