Home / 20,444.74-30,661.13-7,961.96

Finding the Fourth Proportional to 20,444.74, 30,661.13 and 7,961.96

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Solution

The fourth proportional to 20,444.74, 30,661.13 and 7,961.96 is: 11,940.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.74 : 30,661.13 = 7,961.96 : x
  2. Step 2: Convert to fraction form
    20,444.74/30,661.13 = 7,961.96/x
  3. Step 3: Cross multiply
    20,444.74x = 30,661.13 × 7,961.96
  4. Step 4: Simplify right side
    20,444.74x = 244,122,787.17
  5. Step 5: Solve for x
    x = 244,122,787.17/20,444.74
  6. Step 6: Final answer
    x = 11,940.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.