Home / 16,163.55-22,304.97-9,790.07

Finding the Fourth Proportional to 16,163.55, 22,304.97 and 9,790.07

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Solution

The fourth proportional to 16,163.55, 22,304.97 and 9,790.07 is: 13,509.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,163.55 : 22,304.97 = 9,790.07 : x
  2. Step 2: Convert to fraction form
    16,163.55/22,304.97 = 9,790.07/x
  3. Step 3: Cross multiply
    16,163.55x = 22,304.97 × 9,790.07
  4. Step 4: Simplify right side
    16,163.55x = 218,367,106.12
  5. Step 5: Solve for x
    x = 218,367,106.12/16,163.55
  6. Step 6: Final answer
    x = 13,509.85

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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.