Home / 21,004.37-31,506.60-6,214.41

Finding the Fourth Proportional to 21,004.37, 31,506.60 and 6,214.41

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Solution

The fourth proportional to 21,004.37, 31,506.60 and 6,214.41 is: 9,321.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004.37 : 31,506.60 = 6,214.41 : x
  2. Step 2: Convert to fraction form
    21,004.37/31,506.60 = 6,214.41/x
  3. Step 3: Cross multiply
    21,004.37x = 31,506.60 × 6,214.41
  4. Step 4: Simplify right side
    21,004.37x = 195,794,930.11
  5. Step 5: Solve for x
    x = 195,794,930.11/21,004.37
  6. Step 6: Final answer
    x = 9,321.63

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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.