Home / 12,256.28-18,379.14-3,933.54

Finding the Fourth Proportional to 12,256.28, 18,379.14 and 3,933.54

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Solution

The fourth proportional to 12,256.28, 18,379.14 and 3,933.54 is: 5,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.28 : 18,379.14 = 3,933.54 : x
  2. Step 2: Convert to fraction form
    12,256.28/18,379.14 = 3,933.54/x
  3. Step 3: Cross multiply
    12,256.28x = 18,379.14 × 3,933.54
  4. Step 4: Simplify right side
    12,256.28x = 72,295,082.36
  5. Step 5: Solve for x
    x = 72,295,082.36/12,256.28
  6. Step 6: Final answer
    x = 5,898.62

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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.