Home / 11,965.56-17,955.54-4,179.84

Finding the Fourth Proportional to 11,965.56, 17,955.54 and 4,179.84

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Solution

The fourth proportional to 11,965.56, 17,955.54 and 4,179.84 is: 6,272.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965.56 : 17,955.54 = 4,179.84 : x
  2. Step 2: Convert to fraction form
    11,965.56/17,955.54 = 4,179.84/x
  3. Step 3: Cross multiply
    11,965.56x = 17,955.54 × 4,179.84
  4. Step 4: Simplify right side
    11,965.56x = 75,051,284.31
  5. Step 5: Solve for x
    x = 75,051,284.31/11,965.56
  6. Step 6: Final answer
    x = 6,272.28

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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.