Home / 16,731.12-25,090.19-8,405.31

Finding the Fourth Proportional to 16,731.12, 25,090.19 and 8,405.31

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Solution

The fourth proportional to 16,731.12, 25,090.19 and 8,405.31 is: 12,604.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,731.12 : 25,090.19 = 8,405.31 : x
  2. Step 2: Convert to fraction form
    16,731.12/25,090.19 = 8,405.31/x
  3. Step 3: Cross multiply
    16,731.12x = 25,090.19 × 8,405.31
  4. Step 4: Simplify right side
    16,731.12x = 210,890,873.12
  5. Step 5: Solve for x
    x = 210,890,873.12/16,731.12
  6. Step 6: Final answer
    x = 12,604.71

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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.