Home / 9,145.44-12,619.23-5,166.02

Finding the Fourth Proportional to 9,145.44, 12,619.23 and 5,166.02

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Solution

The fourth proportional to 9,145.44, 12,619.23 and 5,166.02 is: 7,128.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.44 : 12,619.23 = 5,166.02 : x
  2. Step 2: Convert to fraction form
    9,145.44/12,619.23 = 5,166.02/x
  3. Step 3: Cross multiply
    9,145.44x = 12,619.23 × 5,166.02
  4. Step 4: Simplify right side
    9,145.44x = 65,191,131.47
  5. Step 5: Solve for x
    x = 65,191,131.47/9,145.44
  6. Step 6: Final answer
    x = 7,128.27

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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.