Home / 21,479.44-32,205.84-6,684.16

Finding the Fourth Proportional to 21,479.44, 32,205.84 and 6,684.16

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Solution

The fourth proportional to 21,479.44, 32,205.84 and 6,684.16 is: 10,022.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,479.44 : 32,205.84 = 6,684.16 : x
  2. Step 2: Convert to fraction form
    21,479.44/32,205.84 = 6,684.16/x
  3. Step 3: Cross multiply
    21,479.44x = 32,205.84 × 6,684.16
  4. Step 4: Simplify right side
    21,479.44x = 215,268,987.49
  5. Step 5: Solve for x
    x = 215,268,987.49/21,479.44
  6. Step 6: Final answer
    x = 10,022.09

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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.