Home / 11,739.81-17,606-3,840.50

Finding the Fourth Proportional to 11,739.81, 17,606 and 3,840.50

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Solution

The fourth proportional to 11,739.81, 17,606 and 3,840.50 is: 5,759.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.81 : 17,606 = 3,840.50 : x
  2. Step 2: Convert to fraction form
    11,739.81/17,606 = 3,840.50/x
  3. Step 3: Cross multiply
    11,739.81x = 17,606 × 3,840.50
  4. Step 4: Simplify right side
    11,739.81x = 67,615,843
  5. Step 5: Solve for x
    x = 67,615,843/11,739.81
  6. Step 6: Final answer
    x = 5,759.53

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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.