Home / 12,166.36-16,789.21-6,788.95

Finding the Fourth Proportional to 12,166.36, 16,789.21 and 6,788.95

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Solution

The fourth proportional to 12,166.36, 16,789.21 and 6,788.95 is: 9,368.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.36 : 16,789.21 = 6,788.95 : x
  2. Step 2: Convert to fraction form
    12,166.36/16,789.21 = 6,788.95/x
  3. Step 3: Cross multiply
    12,166.36x = 16,789.21 × 6,788.95
  4. Step 4: Simplify right side
    12,166.36x = 113,981,048.28
  5. Step 5: Solve for x
    x = 113,981,048.28/12,166.36
  6. Step 6: Final answer
    x = 9,368.54

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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.