Home / 13,438.44-20,163.06-4,679.46

Finding the Fourth Proportional to 13,438.44, 20,163.06 and 4,679.46

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Solution

The fourth proportional to 13,438.44, 20,163.06 and 4,679.46 is: 7,021.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438.44 : 20,163.06 = 4,679.46 : x
  2. Step 2: Convert to fraction form
    13,438.44/20,163.06 = 4,679.46/x
  3. Step 3: Cross multiply
    13,438.44x = 20,163.06 × 4,679.46
  4. Step 4: Simplify right side
    13,438.44x = 94,352,232.75
  5. Step 5: Solve for x
    x = 94,352,232.75/13,438.44
  6. Step 6: Final answer
    x = 7,021.07

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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.