Home / 14,255.44-21,383.24-3,867.19

Finding the Fourth Proportional to 14,255.44, 21,383.24 and 3,867.19

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Solution

The fourth proportional to 14,255.44, 21,383.24 and 3,867.19 is: 5,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.44 : 21,383.24 = 3,867.19 : x
  2. Step 2: Convert to fraction form
    14,255.44/21,383.24 = 3,867.19/x
  3. Step 3: Cross multiply
    14,255.44x = 21,383.24 × 3,867.19
  4. Step 4: Simplify right side
    14,255.44x = 82,692,979.10
  5. Step 5: Solve for x
    x = 82,692,979.10/14,255.44
  6. Step 6: Final answer
    x = 5,800.80

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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.