Home / 13,620.46-20,418.36-9,462.41

Finding the Fourth Proportional to 13,620.46, 20,418.36 and 9,462.41

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Solution

The fourth proportional to 13,620.46, 20,418.36 and 9,462.41 is: 14,185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620.46 : 20,418.36 = 9,462.41 : x
  2. Step 2: Convert to fraction form
    13,620.46/20,418.36 = 9,462.41/x
  3. Step 3: Cross multiply
    13,620.46x = 20,418.36 × 9,462.41
  4. Step 4: Simplify right side
    13,620.46x = 193,206,909.41
  5. Step 5: Solve for x
    x = 193,206,909.41/13,620.46
  6. Step 6: Final answer
    x = 14,185.05

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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.