Home / 11,968.77-17,916.20-7,799.82

Finding the Fourth Proportional to 11,968.77, 17,916.20 and 7,799.82

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Solution

The fourth proportional to 11,968.77, 17,916.20 and 7,799.82 is: 11,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.77 : 17,916.20 = 7,799.82 : x
  2. Step 2: Convert to fraction form
    11,968.77/17,916.20 = 7,799.82/x
  3. Step 3: Cross multiply
    11,968.77x = 17,916.20 × 7,799.82
  4. Step 4: Simplify right side
    11,968.77x = 139,743,135.08
  5. Step 5: Solve for x
    x = 139,743,135.08/11,968.77
  6. Step 6: Final answer
    x = 11,675.65

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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.