Home / 11,245.76-16,865.55-4,225.23

Finding the Fourth Proportional to 11,245.76, 16,865.55 and 4,225.23

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Solution

The fourth proportional to 11,245.76, 16,865.55 and 4,225.23 is: 6,336.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.76 : 16,865.55 = 4,225.23 : x
  2. Step 2: Convert to fraction form
    11,245.76/16,865.55 = 4,225.23/x
  3. Step 3: Cross multiply
    11,245.76x = 16,865.55 × 4,225.23
  4. Step 4: Simplify right side
    11,245.76x = 71,260,827.83
  5. Step 5: Solve for x
    x = 71,260,827.83/11,245.76
  6. Step 6: Final answer
    x = 6,336.68

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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.