Home / 12,068.95-18,102.30-4,170.73

Finding the Fourth Proportional to 12,068.95, 18,102.30 and 4,170.73

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Solution

The fourth proportional to 12,068.95, 18,102.30 and 4,170.73 is: 6,255.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068.95 : 18,102.30 = 4,170.73 : x
  2. Step 2: Convert to fraction form
    12,068.95/18,102.30 = 4,170.73/x
  3. Step 3: Cross multiply
    12,068.95x = 18,102.30 × 4,170.73
  4. Step 4: Simplify right side
    12,068.95x = 75,499,805.68
  5. Step 5: Solve for x
    x = 75,499,805.68/12,068.95
  6. Step 6: Final answer
    x = 6,255.71

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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.