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Finding the Fourth Proportional to 11,775.99, 17,666.01 and 3,880.38

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Solution

The fourth proportional to 11,775.99, 17,666.01 and 3,880.38 is: 5,821.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.99 : 17,666.01 = 3,880.38 : x
  2. Step 2: Convert to fraction form
    11,775.99/17,666.01 = 3,880.38/x
  3. Step 3: Cross multiply
    11,775.99x = 17,666.01 × 3,880.38
  4. Step 4: Simplify right side
    11,775.99x = 68,550,831.88
  5. Step 5: Solve for x
    x = 68,550,831.88/11,775.99
  6. Step 6: Final answer
    x = 5,821.24

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1.5x scale

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.