Home / 11,885.08-17,827.62-3,119.98

Finding the Fourth Proportional to 11,885.08, 17,827.62 and 3,119.98

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Solution

The fourth proportional to 11,885.08, 17,827.62 and 3,119.98 is: 4,679.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885.08 : 17,827.62 = 3,119.98 : x
  2. Step 2: Convert to fraction form
    11,885.08/17,827.62 = 3,119.98/x
  3. Step 3: Cross multiply
    11,885.08x = 17,827.62 × 3,119.98
  4. Step 4: Simplify right side
    11,885.08x = 55,621,817.85
  5. Step 5: Solve for x
    x = 55,621,817.85/11,885.08
  6. Step 6: Final answer
    x = 4,679.97

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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.