Home / 16,147.28-24,195.32-12,458.54

Finding the Fourth Proportional to 16,147.28, 24,195.32 and 12,458.54

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Solution

The fourth proportional to 16,147.28, 24,195.32 and 12,458.54 is: 18,668.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,147.28 : 24,195.32 = 12,458.54 : x
  2. Step 2: Convert to fraction form
    16,147.28/24,195.32 = 12,458.54/x
  3. Step 3: Cross multiply
    16,147.28x = 24,195.32 × 12,458.54
  4. Step 4: Simplify right side
    16,147.28x = 301,438,362.03
  5. Step 5: Solve for x
    x = 301,438,362.03/16,147.28
  6. Step 6: Final answer
    x = 18,668.06

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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.