Home / 12,790.36-19,198.50-9,096.76

Finding the Fourth Proportional to 12,790.36, 19,198.50 and 9,096.76

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Solution

The fourth proportional to 12,790.36, 19,198.50 and 9,096.76 is: 13,654.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,790.36 : 19,198.50 = 9,096.76 : x
  2. Step 2: Convert to fraction form
    12,790.36/19,198.50 = 9,096.76/x
  3. Step 3: Cross multiply
    12,790.36x = 19,198.50 × 9,096.76
  4. Step 4: Simplify right side
    12,790.36x = 174,644,146.86
  5. Step 5: Solve for x
    x = 174,644,146.86/12,790.36
  6. Step 6: Final answer
    x = 13,654.36

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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.