Home / 11,935.32-17,901.12-3,170.64

Finding the Fourth Proportional to 11,935.32, 17,901.12 and 3,170.64

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Solution

The fourth proportional to 11,935.32, 17,901.12 and 3,170.64 is: 4,755.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.32 : 17,901.12 = 3,170.64 : x
  2. Step 2: Convert to fraction form
    11,935.32/17,901.12 = 3,170.64/x
  3. Step 3: Cross multiply
    11,935.32x = 17,901.12 × 3,170.64
  4. Step 4: Simplify right side
    11,935.32x = 56,758,007.12
  5. Step 5: Solve for x
    x = 56,758,007.12/11,935.32
  6. Step 6: Final answer
    x = 4,755.47

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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.