Home / 12,190.73-16,823.27-6,813.26

Finding the Fourth Proportional to 12,190.73, 16,823.27 and 6,813.26

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Solution

The fourth proportional to 12,190.73, 16,823.27 and 6,813.26 is: 9,402.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190.73 : 16,823.27 = 6,813.26 : x
  2. Step 2: Convert to fraction form
    12,190.73/16,823.27 = 6,813.26/x
  3. Step 3: Cross multiply
    12,190.73x = 16,823.27 × 6,813.26
  4. Step 4: Simplify right side
    12,190.73x = 114,621,228.44
  5. Step 5: Solve for x
    x = 114,621,228.44/12,190.73
  6. Step 6: Final answer
    x = 9,402.33

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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.