Home / 16,912.02-25,378.56-8,147.82

Finding the Fourth Proportional to 16,912.02, 25,378.56 and 8,147.82

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Solution

The fourth proportional to 16,912.02, 25,378.56 and 8,147.82 is: 12,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.02 : 25,378.56 = 8,147.82 : x
  2. Step 2: Convert to fraction form
    16,912.02/25,378.56 = 8,147.82/x
  3. Step 3: Cross multiply
    16,912.02x = 25,378.56 × 8,147.82
  4. Step 4: Simplify right side
    16,912.02x = 206,779,938.74
  5. Step 5: Solve for x
    x = 206,779,938.74/16,912.02
  6. Step 6: Final answer
    x = 12,226.80

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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.