Home / 21,091.56-31,626.60-7,046.56

Finding the Fourth Proportional to 21,091.56, 31,626.60 and 7,046.56

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Solution

The fourth proportional to 21,091.56, 31,626.60 and 7,046.56 is: 10,566.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,091.56 : 31,626.60 = 7,046.56 : x
  2. Step 2: Convert to fraction form
    21,091.56/31,626.60 = 7,046.56/x
  3. Step 3: Cross multiply
    21,091.56x = 31,626.60 × 7,046.56
  4. Step 4: Simplify right side
    21,091.56x = 222,858,734.50
  5. Step 5: Solve for x
    x = 222,858,734.50/21,091.56
  6. Step 6: Final answer
    x = 10,566.25

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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.