Home / 11,611.05-16,018.10-6,892.59

Finding the Fourth Proportional to 11,611.05, 16,018.10 and 6,892.59

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Solution

The fourth proportional to 11,611.05, 16,018.10 and 6,892.59 is: 9,508.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.05 : 16,018.10 = 6,892.59 : x
  2. Step 2: Convert to fraction form
    11,611.05/16,018.10 = 6,892.59/x
  3. Step 3: Cross multiply
    11,611.05x = 16,018.10 × 6,892.59
  4. Step 4: Simplify right side
    11,611.05x = 110,406,286.10
  5. Step 5: Solve for x
    x = 110,406,286.10/11,611.05
  6. Step 6: Final answer
    x = 9,508.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.