Home / 11,971.26-17,955.54-3,206.88

Finding the Fourth Proportional to 11,971.26, 17,955.54 and 3,206.88

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Solution

The fourth proportional to 11,971.26, 17,955.54 and 3,206.88 is: 4,809.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.26 : 17,955.54 = 3,206.88 : x
  2. Step 2: Convert to fraction form
    11,971.26/17,955.54 = 3,206.88/x
  3. Step 3: Cross multiply
    11,971.26x = 17,955.54 × 3,206.88
  4. Step 4: Simplify right side
    11,971.26x = 57,581,262.12
  5. Step 5: Solve for x
    x = 57,581,262.12/11,971.26
  6. Step 6: Final answer
    x = 4,809.96

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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.