Home / 12,771.44-19,150.68-5,840

Finding the Fourth Proportional to 12,771.44, 19,150.68 and 5,840

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Solution

The fourth proportional to 12,771.44, 19,150.68 and 5,840 is: 8,757.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771.44 : 19,150.68 = 5,840 : x
  2. Step 2: Convert to fraction form
    12,771.44/19,150.68 = 5,840/x
  3. Step 3: Cross multiply
    12,771.44x = 19,150.68 × 5,840
  4. Step 4: Simplify right side
    12,771.44x = 111,839,971.20
  5. Step 5: Solve for x
    x = 111,839,971.20/12,771.44
  6. Step 6: Final answer
    x = 8,757.04

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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.