Home / 19,103.26-28,620.99-7,985.44

Finding the Fourth Proportional to 19,103.26, 28,620.99 and 7,985.44

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Solution

The fourth proportional to 19,103.26, 28,620.99 and 7,985.44 is: 11,963.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103.26 : 28,620.99 = 7,985.44 : x
  2. Step 2: Convert to fraction form
    19,103.26/28,620.99 = 7,985.44/x
  3. Step 3: Cross multiply
    19,103.26x = 28,620.99 × 7,985.44
  4. Step 4: Simplify right side
    19,103.26x = 228,551,198.39
  5. Step 5: Solve for x
    x = 228,551,198.39/19,103.26
  6. Step 6: Final answer
    x = 11,963.99

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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.