Home / 10,289.16-15,395.46-6,131.43

Finding the Fourth Proportional to 10,289.16, 15,395.46 and 6,131.43

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Solution

The fourth proportional to 10,289.16, 15,395.46 and 6,131.43 is: 9,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.16 : 15,395.46 = 6,131.43 : x
  2. Step 2: Convert to fraction form
    10,289.16/15,395.46 = 6,131.43/x
  3. Step 3: Cross multiply
    10,289.16x = 15,395.46 × 6,131.43
  4. Step 4: Simplify right side
    10,289.16x = 94,396,185.31
  5. Step 5: Solve for x
    x = 94,396,185.31/10,289.16
  6. Step 6: Final answer
    x = 9,174.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.