Home / 14,453.27-21,662.15-8,218.49

Finding the Fourth Proportional to 14,453.27, 21,662.15 and 8,218.49

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Solution

The fourth proportional to 14,453.27, 21,662.15 and 8,218.49 is: 12,317.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,453.27 : 21,662.15 = 8,218.49 : x
  2. Step 2: Convert to fraction form
    14,453.27/21,662.15 = 8,218.49/x
  3. Step 3: Cross multiply
    14,453.27x = 21,662.15 × 8,218.49
  4. Step 4: Simplify right side
    14,453.27x = 178,030,176.22
  5. Step 5: Solve for x
    x = 178,030,176.22/14,453.27
  6. Step 6: Final answer
    x = 12,317.64

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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.