Home / 14,450.28-19,941.84-8,163.06

Finding the Fourth Proportional to 14,450.28, 19,941.84 and 8,163.06

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Solution

The fourth proportional to 14,450.28, 19,941.84 and 8,163.06 is: 11,265.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,450.28 : 19,941.84 = 8,163.06 : x
  2. Step 2: Convert to fraction form
    14,450.28/19,941.84 = 8,163.06/x
  3. Step 3: Cross multiply
    14,450.28x = 19,941.84 × 8,163.06
  4. Step 4: Simplify right side
    14,450.28x = 162,786,436.43
  5. Step 5: Solve for x
    x = 162,786,436.43/14,450.28
  6. Step 6: Final answer
    x = 11,265.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.