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Finding the Fourth Proportional to 11,079.02, 16,600.02 and 7,786.21

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Solution

The fourth proportional to 11,079.02, 16,600.02 and 7,786.21 is: 11,666.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.02 : 16,600.02 = 7,786.21 : x
  2. Step 2: Convert to fraction form
    11,079.02/16,600.02 = 7,786.21/x
  3. Step 3: Cross multiply
    11,079.02x = 16,600.02 × 7,786.21
  4. Step 4: Simplify right side
    11,079.02x = 129,251,241.72
  5. Step 5: Solve for x
    x = 129,251,241.72/11,079.02
  6. Step 6: Final answer
    x = 11,666.31

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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.