Home / 20,626.08-30,913.14-11,246.58

Finding the Fourth Proportional to 20,626.08, 30,913.14 and 11,246.58

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Solution

The fourth proportional to 20,626.08, 30,913.14 and 11,246.58 is: 16,855.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.08 : 30,913.14 = 11,246.58 : x
  2. Step 2: Convert to fraction form
    20,626.08/30,913.14 = 11,246.58/x
  3. Step 3: Cross multiply
    20,626.08x = 30,913.14 × 11,246.58
  4. Step 4: Simplify right side
    20,626.08x = 347,667,144.24
  5. Step 5: Solve for x
    x = 347,667,144.24/20,626.08
  6. Step 6: Final answer
    x = 16,855.71

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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.