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Finding the Fourth Proportional to 11,859.69, 17,799.77 and 6,599.96

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Solution

The fourth proportional to 11,859.69, 17,799.77 and 6,599.96 is: 9,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.69 : 17,799.77 = 6,599.96 : x
  2. Step 2: Convert to fraction form
    11,859.69/17,799.77 = 6,599.96/x
  3. Step 3: Cross multiply
    11,859.69x = 17,799.77 × 6,599.96
  4. Step 4: Simplify right side
    11,859.69x = 117,477,770.01
  5. Step 5: Solve for x
    x = 117,477,770.01/11,859.69
  6. Step 6: Final answer
    x = 9,905.64

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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.