Home / 20,601.19-30,883.46-7,450.64

Finding the Fourth Proportional to 20,601.19, 30,883.46 and 7,450.64

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Solution

The fourth proportional to 20,601.19, 30,883.46 and 7,450.64 is: 11,169.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,601.19 : 30,883.46 = 7,450.64 : x
  2. Step 2: Convert to fraction form
    20,601.19/30,883.46 = 7,450.64/x
  3. Step 3: Cross multiply
    20,601.19x = 30,883.46 × 7,450.64
  4. Step 4: Simplify right side
    20,601.19x = 230,101,350.74
  5. Step 5: Solve for x
    x = 230,101,350.74/20,601.19
  6. Step 6: Final answer
    x = 11,169.32

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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.