Home / 21,452.32-32,183.04-6,661.60

Finding the Fourth Proportional to 21,452.32, 32,183.04 and 6,661.60

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Solution

The fourth proportional to 21,452.32, 32,183.04 and 6,661.60 is: 9,993.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,452.32 : 32,183.04 = 6,661.60 : x
  2. Step 2: Convert to fraction form
    21,452.32/32,183.04 = 6,661.60/x
  3. Step 3: Cross multiply
    21,452.32x = 32,183.04 × 6,661.60
  4. Step 4: Simplify right side
    21,452.32x = 214,390,539.26
  5. Step 5: Solve for x
    x = 214,390,539.26/21,452.32
  6. Step 6: Final answer
    x = 9,993.82

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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.