Home / 13,821.12-19,072.44-7,533.44

Finding the Fourth Proportional to 13,821.12, 19,072.44 and 7,533.44

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Solution

The fourth proportional to 13,821.12, 19,072.44 and 7,533.44 is: 10,395.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.12 : 19,072.44 = 7,533.44 : x
  2. Step 2: Convert to fraction form
    13,821.12/19,072.44 = 7,533.44/x
  3. Step 3: Cross multiply
    13,821.12x = 19,072.44 × 7,533.44
  4. Step 4: Simplify right side
    13,821.12x = 143,681,082.39
  5. Step 5: Solve for x
    x = 143,681,082.39/13,821.12
  6. Step 6: Final answer
    x = 10,395.76

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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.