Home / 12,348.08-18,522.12-4,145.84

Finding the Fourth Proportional to 12,348.08, 18,522.12 and 4,145.84

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Solution

The fourth proportional to 12,348.08, 18,522.12 and 4,145.84 is: 6,218.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.08 : 18,522.12 = 4,145.84 : x
  2. Step 2: Convert to fraction form
    12,348.08/18,522.12 = 4,145.84/x
  3. Step 3: Cross multiply
    12,348.08x = 18,522.12 × 4,145.84
  4. Step 4: Simplify right side
    12,348.08x = 76,789,745.98
  5. Step 5: Solve for x
    x = 76,789,745.98/12,348.08
  6. Step 6: Final answer
    x = 6,218.76

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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.