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Finding the Fourth Proportional to 12,350, 18,525.03 and 3,116

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Solution

The fourth proportional to 12,350, 18,525.03 and 3,116 is: 4,674.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350 : 18,525.03 = 3,116 : x
  2. Step 2: Convert to fraction form
    12,350/18,525.03 = 3,116/x
  3. Step 3: Cross multiply
    12,350x = 18,525.03 × 3,116
  4. Step 4: Simplify right side
    12,350x = 57,723,993.48
  5. Step 5: Solve for x
    x = 57,723,993.48/12,350
  6. Step 6: Final answer
    x = 4,674.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.