Home / 12,202.95-18,329.00-11,858.43

Finding the Fourth Proportional to 12,202.95, 18,329.00 and 11,858.43

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Solution

The fourth proportional to 12,202.95, 18,329.00 and 11,858.43 is: 17,811.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202.95 : 18,329.00 = 11,858.43 : x
  2. Step 2: Convert to fraction form
    12,202.95/18,329.00 = 11,858.43/x
  3. Step 3: Cross multiply
    12,202.95x = 18,329.00 × 11,858.43
  4. Step 4: Simplify right side
    12,202.95x = 217,353,104.18
  5. Step 5: Solve for x
    x = 217,353,104.18/12,202.95
  6. Step 6: Final answer
    x = 17,811.52

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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.