Home / 13,932.26-19,226.51-7,964.05

Finding the Fourth Proportional to 13,932.26, 19,226.51 and 7,964.05

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Solution

The fourth proportional to 13,932.26, 19,226.51 and 7,964.05 is: 10,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.26 : 19,226.51 = 7,964.05 : x
  2. Step 2: Convert to fraction form
    13,932.26/19,226.51 = 7,964.05/x
  3. Step 3: Cross multiply
    13,932.26x = 19,226.51 × 7,964.05
  4. Step 4: Simplify right side
    13,932.26x = 153,120,954.94
  5. Step 5: Solve for x
    x = 153,120,954.94/13,932.26
  6. Step 6: Final answer
    x = 10,990.39

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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.