Home / 12,732.72-17,556.12-11,799.60

Finding the Fourth Proportional to 12,732.72, 17,556.12 and 11,799.60

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Solution

The fourth proportional to 12,732.72, 17,556.12 and 11,799.60 is: 16,269.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,732.72 : 17,556.12 = 11,799.60 : x
  2. Step 2: Convert to fraction form
    12,732.72/17,556.12 = 11,799.60/x
  3. Step 3: Cross multiply
    12,732.72x = 17,556.12 × 11,799.60
  4. Step 4: Simplify right side
    12,732.72x = 207,155,193.55
  5. Step 5: Solve for x
    x = 207,155,193.55/12,732.72
  6. Step 6: Final answer
    x = 16,269.52

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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.