Home / 19,361.79-29,039.94-6,212.45

Finding the Fourth Proportional to 19,361.79, 29,039.94 and 6,212.45

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Solution

The fourth proportional to 19,361.79, 29,039.94 and 6,212.45 is: 9,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,361.79 : 29,039.94 = 6,212.45 : x
  2. Step 2: Convert to fraction form
    19,361.79/29,039.94 = 6,212.45/x
  3. Step 3: Cross multiply
    19,361.79x = 29,039.94 × 6,212.45
  4. Step 4: Simplify right side
    19,361.79x = 180,409,247.85
  5. Step 5: Solve for x
    x = 180,409,247.85/19,361.79
  6. Step 6: Final answer
    x = 9,317.80

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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.