Home / 14,453.39-21,682.83-8,220.44

Finding the Fourth Proportional to 14,453.39, 21,682.83 and 8,220.44

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Solution

The fourth proportional to 14,453.39, 21,682.83 and 8,220.44 is: 12,332.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,453.39 : 21,682.83 = 8,220.44 : x
  2. Step 2: Convert to fraction form
    14,453.39/21,682.83 = 8,220.44/x
  3. Step 3: Cross multiply
    14,453.39x = 21,682.83 × 8,220.44
  4. Step 4: Simplify right side
    14,453.39x = 178,242,403.05
  5. Step 5: Solve for x
    x = 178,242,403.05/14,453.39
  6. Step 6: Final answer
    x = 12,332.22

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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.