Home / 18,590.68-25,658.22-11,879.62

Finding the Fourth Proportional to 18,590.68, 25,658.22 and 11,879.62

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Solution

The fourth proportional to 18,590.68, 25,658.22 and 11,879.62 is: 16,395.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.68 : 25,658.22 = 11,879.62 : x
  2. Step 2: Convert to fraction form
    18,590.68/25,658.22 = 11,879.62/x
  3. Step 3: Cross multiply
    18,590.68x = 25,658.22 × 11,879.62
  4. Step 4: Simplify right side
    18,590.68x = 304,809,903.48
  5. Step 5: Solve for x
    x = 304,809,903.48/18,590.68
  6. Step 6: Final answer
    x = 16,395.84

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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.