Home / 13,904.26-19,187.89-7,616.63

Finding the Fourth Proportional to 13,904.26, 19,187.89 and 7,616.63

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Solution

The fourth proportional to 13,904.26, 19,187.89 and 7,616.63 is: 10,510.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.26 : 19,187.89 = 7,616.63 : x
  2. Step 2: Convert to fraction form
    13,904.26/19,187.89 = 7,616.63/x
  3. Step 3: Cross multiply
    13,904.26x = 19,187.89 × 7,616.63
  4. Step 4: Simplify right side
    13,904.26x = 146,147,087.54
  5. Step 5: Solve for x
    x = 146,147,087.54/13,904.26
  6. Step 6: Final answer
    x = 10,510.96

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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.