Home / 11,976.99-17,965.08-3,656.67

Finding the Fourth Proportional to 11,976.99, 17,965.08 and 3,656.67

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Solution

The fourth proportional to 11,976.99, 17,965.08 and 3,656.67 is: 5,484.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.99 : 17,965.08 = 3,656.67 : x
  2. Step 2: Convert to fraction form
    11,976.99/17,965.08 = 3,656.67/x
  3. Step 3: Cross multiply
    11,976.99x = 17,965.08 × 3,656.67
  4. Step 4: Simplify right side
    11,976.99x = 65,692,369.08
  5. Step 5: Solve for x
    x = 65,692,369.08/11,976.99
  6. Step 6: Final answer
    x = 5,484.88

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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.