Home / 10,690.72-16,027.44-4,455.43

Finding the Fourth Proportional to 10,690.72, 16,027.44 and 4,455.43

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Solution

The fourth proportional to 10,690.72, 16,027.44 and 4,455.43 is: 6,679.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.72 : 16,027.44 = 4,455.43 : x
  2. Step 2: Convert to fraction form
    10,690.72/16,027.44 = 4,455.43/x
  3. Step 3: Cross multiply
    10,690.72x = 16,027.44 × 4,455.43
  4. Step 4: Simplify right side
    10,690.72x = 71,409,137.00
  5. Step 5: Solve for x
    x = 71,409,137.00/10,690.72
  6. Step 6: Final answer
    x = 6,679.54

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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.