Home / 11,986.45-17,981.73-3,666.26

Finding the Fourth Proportional to 11,986.45, 17,981.73 and 3,666.26

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Solution

The fourth proportional to 11,986.45, 17,981.73 and 3,666.26 is: 5,500.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.45 : 17,981.73 = 3,666.26 : x
  2. Step 2: Convert to fraction form
    11,986.45/17,981.73 = 3,666.26/x
  3. Step 3: Cross multiply
    11,986.45x = 17,981.73 × 3,666.26
  4. Step 4: Simplify right side
    11,986.45x = 65,925,742.38
  5. Step 5: Solve for x
    x = 65,925,742.38/11,986.45
  6. Step 6: Final answer
    x = 5,500.02

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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.