Home / 22,212.38-30,653.52-12,140.54

Finding the Fourth Proportional to 22,212.38, 30,653.52 and 12,140.54

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Solution

The fourth proportional to 22,212.38, 30,653.52 and 12,140.54 is: 16,754.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,212.38 : 30,653.52 = 12,140.54 : x
  2. Step 2: Convert to fraction form
    22,212.38/30,653.52 = 12,140.54/x
  3. Step 3: Cross multiply
    22,212.38x = 30,653.52 × 12,140.54
  4. Step 4: Simplify right side
    22,212.38x = 372,150,285.70
  5. Step 5: Solve for x
    x = 372,150,285.70/22,212.38
  6. Step 6: Final answer
    x = 16,754.18

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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.