Home / 19,227.26-28,846.20-8,128.10

Finding the Fourth Proportional to 19,227.26, 28,846.20 and 8,128.10

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Solution

The fourth proportional to 19,227.26, 28,846.20 and 8,128.10 is: 12,194.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,227.26 : 28,846.20 = 8,128.10 : x
  2. Step 2: Convert to fraction form
    19,227.26/28,846.20 = 8,128.10/x
  3. Step 3: Cross multiply
    19,227.26x = 28,846.20 × 8,128.10
  4. Step 4: Simplify right side
    19,227.26x = 234,464,798.22
  5. Step 5: Solve for x
    x = 234,464,798.22/19,227.26
  6. Step 6: Final answer
    x = 12,194.39

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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.