Home / 20,839.75-31,261.53-6,796.18

Finding the Fourth Proportional to 20,839.75, 31,261.53 and 6,796.18

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Solution

The fourth proportional to 20,839.75, 31,261.53 and 6,796.18 is: 10,194.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,839.75 : 31,261.53 = 6,796.18 : x
  2. Step 2: Convert to fraction form
    20,839.75/31,261.53 = 6,796.18/x
  3. Step 3: Cross multiply
    20,839.75x = 31,261.53 × 6,796.18
  4. Step 4: Simplify right side
    20,839.75x = 212,458,828.65
  5. Step 5: Solve for x
    x = 212,458,828.65/20,839.75
  6. Step 6: Final answer
    x = 10,194.89

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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.