Home / 22,163.06-30,584.71-12,731.70

Finding the Fourth Proportional to 22,163.06, 30,584.71 and 12,731.70

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Solution

The fourth proportional to 22,163.06, 30,584.71 and 12,731.70 is: 17,569.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.06 : 30,584.71 = 12,731.70 : x
  2. Step 2: Convert to fraction form
    22,163.06/30,584.71 = 12,731.70/x
  3. Step 3: Cross multiply
    22,163.06x = 30,584.71 × 12,731.70
  4. Step 4: Simplify right side
    22,163.06x = 389,395,352.31
  5. Step 5: Solve for x
    x = 389,395,352.31/22,163.06
  6. Step 6: Final answer
    x = 17,569.57

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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.