Home / 13,928.79-19,224.41-8,266.66

Finding the Fourth Proportional to 13,928.79, 19,224.41 and 8,266.66

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Solution

The fourth proportional to 13,928.79, 19,224.41 and 8,266.66 is: 11,409.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.79 : 19,224.41 = 8,266.66 : x
  2. Step 2: Convert to fraction form
    13,928.79/19,224.41 = 8,266.66/x
  3. Step 3: Cross multiply
    13,928.79x = 19,224.41 × 8,266.66
  4. Step 4: Simplify right side
    13,928.79x = 158,921,571.78
  5. Step 5: Solve for x
    x = 158,921,571.78/13,928.79
  6. Step 6: Final answer
    x = 11,409.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.