Home / 12,789.27-17,651.93-8,595.09

Finding the Fourth Proportional to 12,789.27, 17,651.93 and 8,595.09

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Solution

The fourth proportional to 12,789.27, 17,651.93 and 8,595.09 is: 11,863.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789.27 : 17,651.93 = 8,595.09 : x
  2. Step 2: Convert to fraction form
    12,789.27/17,651.93 = 8,595.09/x
  3. Step 3: Cross multiply
    12,789.27x = 17,651.93 × 8,595.09
  4. Step 4: Simplify right side
    12,789.27x = 151,719,884.05
  5. Step 5: Solve for x
    x = 151,719,884.05/12,789.27
  6. Step 6: Final answer
    x = 11,863.06

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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.