Home / 22,163.15-30,584.86-12,091.07

Finding the Fourth Proportional to 22,163.15, 30,584.86 and 12,091.07

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Solution

The fourth proportional to 22,163.15, 30,584.86 and 12,091.07 is: 16,685.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.15 : 30,584.86 = 12,091.07 : x
  2. Step 2: Convert to fraction form
    22,163.15/30,584.86 = 12,091.07/x
  3. Step 3: Cross multiply
    22,163.15x = 30,584.86 × 12,091.07
  4. Step 4: Simplify right side
    22,163.15x = 369,803,729.43
  5. Step 5: Solve for x
    x = 369,803,729.43/22,163.15
  6. Step 6: Final answer
    x = 16,685.52

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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.