Home / 14,146.44-21,216.92-13,443.96

Finding the Fourth Proportional to 14,146.44, 21,216.92 and 13,443.96

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Solution

The fourth proportional to 14,146.44, 21,216.92 and 13,443.96 is: 20,163.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.44 : 21,216.92 = 13,443.96 : x
  2. Step 2: Convert to fraction form
    14,146.44/21,216.92 = 13,443.96/x
  3. Step 3: Cross multiply
    14,146.44x = 21,216.92 × 13,443.96
  4. Step 4: Simplify right side
    14,146.44x = 285,239,423.80
  5. Step 5: Solve for x
    x = 285,239,423.80/14,146.44
  6. Step 6: Final answer
    x = 20,163.34

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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.