Home / 11,186.88-16,777.84-6,788.56

Finding the Fourth Proportional to 11,186.88, 16,777.84 and 6,788.56

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Solution

The fourth proportional to 11,186.88, 16,777.84 and 6,788.56 is: 10,181.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.88 : 16,777.84 = 6,788.56 : x
  2. Step 2: Convert to fraction form
    11,186.88/16,777.84 = 6,788.56/x
  3. Step 3: Cross multiply
    11,186.88x = 16,777.84 × 6,788.56
  4. Step 4: Simplify right side
    11,186.88x = 113,897,373.51
  5. Step 5: Solve for x
    x = 113,897,373.51/11,186.88
  6. Step 6: Final answer
    x = 10,181.34

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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.