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Finding the Fourth Proportional to 18,309.42, 25,266.12 and 10,350.12

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Solution

The fourth proportional to 18,309.42, 25,266.12 and 10,350.12 is: 14,282.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,309.42 : 25,266.12 = 10,350.12 : x
  2. Step 2: Convert to fraction form
    18,309.42/25,266.12 = 10,350.12/x
  3. Step 3: Cross multiply
    18,309.42x = 25,266.12 × 10,350.12
  4. Step 4: Simplify right side
    18,309.42x = 261,507,373.93
  5. Step 5: Solve for x
    x = 261,507,373.93/18,309.42
  6. Step 6: Final answer
    x = 14,282.67

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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.