Home / 11,321.32-16,986.78-6,054.96

Finding the Fourth Proportional to 11,321.32, 16,986.78 and 6,054.96

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Solution

The fourth proportional to 11,321.32, 16,986.78 and 6,054.96 is: 9,085.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.32 : 16,986.78 = 6,054.96 : x
  2. Step 2: Convert to fraction form
    11,321.32/16,986.78 = 6,054.96/x
  3. Step 3: Cross multiply
    11,321.32x = 16,986.78 × 6,054.96
  4. Step 4: Simplify right side
    11,321.32x = 102,854,289.35
  5. Step 5: Solve for x
    x = 102,854,289.35/11,321.32
  6. Step 6: Final answer
    x = 9,085.01

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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.