Home / 12,826.89-19,238.49-3,467.45

Finding the Fourth Proportional to 12,826.89, 19,238.49 and 3,467.45

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Solution

The fourth proportional to 12,826.89, 19,238.49 and 3,467.45 is: 5,200.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826.89 : 19,238.49 = 3,467.45 : x
  2. Step 2: Convert to fraction form
    12,826.89/19,238.49 = 3,467.45/x
  3. Step 3: Cross multiply
    12,826.89x = 19,238.49 × 3,467.45
  4. Step 4: Simplify right side
    12,826.89x = 66,708,405.96
  5. Step 5: Solve for x
    x = 66,708,405.96/12,826.89
  6. Step 6: Final answer
    x = 5,200.67

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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.