Home / 21,046.08-31,563.66-6,251.64

Finding the Fourth Proportional to 21,046.08, 31,563.66 and 6,251.64

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Solution

The fourth proportional to 21,046.08, 31,563.66 and 6,251.64 is: 9,375.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046.08 : 31,563.66 = 6,251.64 : x
  2. Step 2: Convert to fraction form
    21,046.08/31,563.66 = 6,251.64/x
  3. Step 3: Cross multiply
    21,046.08x = 31,563.66 × 6,251.64
  4. Step 4: Simplify right side
    21,046.08x = 197,324,639.40
  5. Step 5: Solve for x
    x = 197,324,639.40/21,046.08
  6. Step 6: Final answer
    x = 9,375.84

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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.