Home / 11,839.44-17,749.98-7,670.64

Finding the Fourth Proportional to 11,839.44, 17,749.98 and 7,670.64

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Solution

The fourth proportional to 11,839.44, 17,749.98 and 7,670.64 is: 11,500.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.44 : 17,749.98 = 7,670.64 : x
  2. Step 2: Convert to fraction form
    11,839.44/17,749.98 = 7,670.64/x
  3. Step 3: Cross multiply
    11,839.44x = 17,749.98 × 7,670.64
  4. Step 4: Simplify right side
    11,839.44x = 136,153,706.59
  5. Step 5: Solve for x
    x = 136,153,706.59/11,839.44
  6. Step 6: Final answer
    x = 11,500.01

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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.