Home / 22,012.56-30,377.70-12,580.92

Finding the Fourth Proportional to 22,012.56, 30,377.70 and 12,580.92

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Solution

The fourth proportional to 22,012.56, 30,377.70 and 12,580.92 is: 17,361.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.56 : 30,377.70 = 12,580.92 : x
  2. Step 2: Convert to fraction form
    22,012.56/30,377.70 = 12,580.92/x
  3. Step 3: Cross multiply
    22,012.56x = 30,377.70 × 12,580.92
  4. Step 4: Simplify right side
    22,012.56x = 382,179,413.48
  5. Step 5: Solve for x
    x = 382,179,413.48/22,012.56
  6. Step 6: Final answer
    x = 17,361.88

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Double scale
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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.