Home / 11,787.73-17,676.12-6,858.78

Finding the Fourth Proportional to 11,787.73, 17,676.12 and 6,858.78

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Solution

The fourth proportional to 11,787.73, 17,676.12 and 6,858.78 is: 10,284.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787.73 : 17,676.12 = 6,858.78 : x
  2. Step 2: Convert to fraction form
    11,787.73/17,676.12 = 6,858.78/x
  3. Step 3: Cross multiply
    11,787.73x = 17,676.12 × 6,858.78
  4. Step 4: Simplify right side
    11,787.73x = 121,236,577.77
  5. Step 5: Solve for x
    x = 121,236,577.77/11,787.73
  6. Step 6: Final answer
    x = 10,284.98

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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.