Home / 18,777.35-25,912.80-10,393.85

Finding the Fourth Proportional to 18,777.35, 25,912.80 and 10,393.85

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Solution

The fourth proportional to 18,777.35, 25,912.80 and 10,393.85 is: 14,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777.35 : 25,912.80 = 10,393.85 : x
  2. Step 2: Convert to fraction form
    18,777.35/25,912.80 = 10,393.85/x
  3. Step 3: Cross multiply
    18,777.35x = 25,912.80 × 10,393.85
  4. Step 4: Simplify right side
    18,777.35x = 269,333,626.72
  5. Step 5: Solve for x
    x = 269,333,626.72/18,777.35
  6. Step 6: Final answer
    x = 14,343.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.