Home / 12,141.84-18,212.16-3,376.56

Finding the Fourth Proportional to 12,141.84, 18,212.16 and 3,376.56

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Solution

The fourth proportional to 12,141.84, 18,212.16 and 3,376.56 is: 5,064.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141.84 : 18,212.16 = 3,376.56 : x
  2. Step 2: Convert to fraction form
    12,141.84/18,212.16 = 3,376.56/x
  3. Step 3: Cross multiply
    12,141.84x = 18,212.16 × 3,376.56
  4. Step 4: Simplify right side
    12,141.84x = 61,494,450.97
  5. Step 5: Solve for x
    x = 61,494,450.97/12,141.84
  6. Step 6: Final answer
    x = 5,064.67

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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.