Home / 11,245.92-16,871.08-4,319.84

Finding the Fourth Proportional to 11,245.92, 16,871.08 and 4,319.84

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Solution

The fourth proportional to 11,245.92, 16,871.08 and 4,319.84 is: 6,480.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.92 : 16,871.08 = 4,319.84 : x
  2. Step 2: Convert to fraction form
    11,245.92/16,871.08 = 4,319.84/x
  3. Step 3: Cross multiply
    11,245.92x = 16,871.08 × 4,319.84
  4. Step 4: Simplify right side
    11,245.92x = 72,880,366.23
  5. Step 5: Solve for x
    x = 72,880,366.23/11,245.92
  6. Step 6: Final answer
    x = 6,480.61

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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.