Home / 21,004.33-31,495.78-6,959.29

Finding the Fourth Proportional to 21,004.33, 31,495.78 and 6,959.29

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Solution

The fourth proportional to 21,004.33, 31,495.78 and 6,959.29 is: 10,435.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004.33 : 31,495.78 = 6,959.29 : x
  2. Step 2: Convert to fraction form
    21,004.33/31,495.78 = 6,959.29/x
  3. Step 3: Cross multiply
    21,004.33x = 31,495.78 × 6,959.29
  4. Step 4: Simplify right side
    21,004.33x = 219,188,266.80
  5. Step 5: Solve for x
    x = 219,188,266.80/21,004.33
  6. Step 6: Final answer
    x = 10,435.38

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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.