Home / 13,825.08-19,078.50-7,537.32

Finding the Fourth Proportional to 13,825.08, 19,078.50 and 7,537.32

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Solution

The fourth proportional to 13,825.08, 19,078.50 and 7,537.32 is: 10,401.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.08 : 19,078.50 = 7,537.32 : x
  2. Step 2: Convert to fraction form
    13,825.08/19,078.50 = 7,537.32/x
  3. Step 3: Cross multiply
    13,825.08x = 19,078.50 × 7,537.32
  4. Step 4: Simplify right side
    13,825.08x = 143,800,759.62
  5. Step 5: Solve for x
    x = 143,800,759.62/13,825.08
  6. Step 6: Final answer
    x = 10,401.44

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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.