Home / 17,979.31-26,969.21-6,886.56

Finding the Fourth Proportional to 17,979.31, 26,969.21 and 6,886.56

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Solution

The fourth proportional to 17,979.31, 26,969.21 and 6,886.56 is: 10,329.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.31 : 26,969.21 = 6,886.56 : x
  2. Step 2: Convert to fraction form
    17,979.31/26,969.21 = 6,886.56/x
  3. Step 3: Cross multiply
    17,979.31x = 26,969.21 × 6,886.56
  4. Step 4: Simplify right side
    17,979.31x = 185,725,100.03
  5. Step 5: Solve for x
    x = 185,725,100.03/17,979.31
  6. Step 6: Final answer
    x = 10,329.94

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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.