Home / 22,222.73-30,667.95-12,151.60

Finding the Fourth Proportional to 22,222.73, 30,667.95 and 12,151.60

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Solution

The fourth proportional to 22,222.73, 30,667.95 and 12,151.60 is: 16,769.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,222.73 : 30,667.95 = 12,151.60 : x
  2. Step 2: Convert to fraction form
    22,222.73/30,667.95 = 12,151.60/x
  3. Step 3: Cross multiply
    22,222.73x = 30,667.95 × 12,151.60
  4. Step 4: Simplify right side
    22,222.73x = 372,664,584.55
  5. Step 5: Solve for x
    x = 372,664,584.55/22,222.73
  6. Step 6: Final answer
    x = 16,769.52

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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.