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Finding the Fourth Proportional to 12,161.22, 16,782.50 and 6,572.22

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Solution

The fourth proportional to 12,161.22, 16,782.50 and 6,572.22 is: 9,069.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161.22 : 16,782.50 = 6,572.22 : x
  2. Step 2: Convert to fraction form
    12,161.22/16,782.50 = 6,572.22/x
  3. Step 3: Cross multiply
    12,161.22x = 16,782.50 × 6,572.22
  4. Step 4: Simplify right side
    12,161.22x = 110,298,282.15
  5. Step 5: Solve for x
    x = 110,298,282.15/12,161.22
  6. Step 6: Final answer
    x = 9,069.67

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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.