Home / 11,255.82-15,529.29-6,777.87

Finding the Fourth Proportional to 11,255.82, 15,529.29 and 6,777.87

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Solution

The fourth proportional to 11,255.82, 15,529.29 and 6,777.87 is: 9,351.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.82 : 15,529.29 = 6,777.87 : x
  2. Step 2: Convert to fraction form
    11,255.82/15,529.29 = 6,777.87/x
  3. Step 3: Cross multiply
    11,255.82x = 15,529.29 × 6,777.87
  4. Step 4: Simplify right side
    11,255.82x = 105,255,508.81
  5. Step 5: Solve for x
    x = 105,255,508.81/11,255.82
  6. Step 6: Final answer
    x = 9,351.21

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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.