Home / 11,415.12-17,126.57-6,150.67

Finding the Fourth Proportional to 11,415.12, 17,126.57 and 6,150.67

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Solution

The fourth proportional to 11,415.12, 17,126.57 and 6,150.67 is: 9,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415.12 : 17,126.57 = 6,150.67 : x
  2. Step 2: Convert to fraction form
    11,415.12/17,126.57 = 6,150.67/x
  3. Step 3: Cross multiply
    11,415.12x = 17,126.57 × 6,150.67
  4. Step 4: Simplify right side
    11,415.12x = 105,339,880.30
  5. Step 5: Solve for x
    x = 105,339,880.30/11,415.12
  6. Step 6: Final answer
    x = 9,228.10

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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.