Home / 9,119.43-13,679.14-2,193.93

Finding the Fourth Proportional to 9,119.43, 13,679.14 and 2,193.93

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Solution

The fourth proportional to 9,119.43, 13,679.14 and 2,193.93 is: 3,290.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.43 : 13,679.14 = 2,193.93 : x
  2. Step 2: Convert to fraction form
    9,119.43/13,679.14 = 2,193.93/x
  3. Step 3: Cross multiply
    9,119.43x = 13,679.14 × 2,193.93
  4. Step 4: Simplify right side
    9,119.43x = 30,011,075.62
  5. Step 5: Solve for x
    x = 30,011,075.62/9,119.43
  6. Step 6: Final answer
    x = 3,290.89

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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.