Home / 12,927.88-19,391.90-4,608.22

Finding the Fourth Proportional to 12,927.88, 19,391.90 and 4,608.22

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Solution

The fourth proportional to 12,927.88, 19,391.90 and 4,608.22 is: 6,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.88 : 19,391.90 = 4,608.22 : x
  2. Step 2: Convert to fraction form
    12,927.88/19,391.90 = 4,608.22/x
  3. Step 3: Cross multiply
    12,927.88x = 19,391.90 × 4,608.22
  4. Step 4: Simplify right side
    12,927.88x = 89,362,141.42
  5. Step 5: Solve for x
    x = 89,362,141.42/12,927.88
  6. Step 6: Final answer
    x = 6,912.36

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1.5x scale

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.