Home / 12,806.46-19,211.58-4,039.38

Finding the Fourth Proportional to 12,806.46, 19,211.58 and 4,039.38

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Solution

The fourth proportional to 12,806.46, 19,211.58 and 4,039.38 is: 6,059.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,806.46 : 19,211.58 = 4,039.38 : x
  2. Step 2: Convert to fraction form
    12,806.46/19,211.58 = 4,039.38/x
  3. Step 3: Cross multiply
    12,806.46x = 19,211.58 × 4,039.38
  4. Step 4: Simplify right side
    12,806.46x = 77,602,872.02
  5. Step 5: Solve for x
    x = 77,602,872.02/12,806.46
  6. Step 6: Final answer
    x = 6,059.67

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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.