Home / 11,245.28-16,827.60-6,863.84

Finding the Fourth Proportional to 11,245.28, 16,827.60 and 6,863.84

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Solution

The fourth proportional to 11,245.28, 16,827.60 and 6,863.84 is: 10,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.28 : 16,827.60 = 6,863.84 : x
  2. Step 2: Convert to fraction form
    11,245.28/16,827.60 = 6,863.84/x
  3. Step 3: Cross multiply
    11,245.28x = 16,827.60 × 6,863.84
  4. Step 4: Simplify right side
    11,245.28x = 115,501,953.98
  5. Step 5: Solve for x
    x = 115,501,953.98/11,245.28
  6. Step 6: Final answer
    x = 10,271.15

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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.