Home / 20,794.08-28,692.36-11,841.72

Finding the Fourth Proportional to 20,794.08, 28,692.36 and 11,841.72

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Solution

The fourth proportional to 20,794.08, 28,692.36 and 11,841.72 is: 16,339.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.08 : 28,692.36 = 11,841.72 : x
  2. Step 2: Convert to fraction form
    20,794.08/28,692.36 = 11,841.72/x
  3. Step 3: Cross multiply
    20,794.08x = 28,692.36 × 11,841.72
  4. Step 4: Simplify right side
    20,794.08x = 339,766,893.26
  5. Step 5: Solve for x
    x = 339,766,893.26/20,794.08
  6. Step 6: Final answer
    x = 16,339.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.