Home / 12,446.08-18,672.64-3,680.96

Finding the Fourth Proportional to 12,446.08, 18,672.64 and 3,680.96

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Solution

The fourth proportional to 12,446.08, 18,672.64 and 3,680.96 is: 5,522.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.08 : 18,672.64 = 3,680.96 : x
  2. Step 2: Convert to fraction form
    12,446.08/18,672.64 = 3,680.96/x
  3. Step 3: Cross multiply
    12,446.08x = 18,672.64 × 3,680.96
  4. Step 4: Simplify right side
    12,446.08x = 68,733,240.93
  5. Step 5: Solve for x
    x = 68,733,240.93/12,446.08
  6. Step 6: Final answer
    x = 5,522.48

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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.