Home / 11,623.28-16,043.64-7,899.44

Finding the Fourth Proportional to 11,623.28, 16,043.64 and 7,899.44

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Solution

The fourth proportional to 11,623.28, 16,043.64 and 7,899.44 is: 10,903.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.28 : 16,043.64 = 7,899.44 : x
  2. Step 2: Convert to fraction form
    11,623.28/16,043.64 = 7,899.44/x
  3. Step 3: Cross multiply
    11,623.28x = 16,043.64 × 7,899.44
  4. Step 4: Simplify right side
    11,623.28x = 126,735,771.56
  5. Step 5: Solve for x
    x = 126,735,771.56/11,623.28
  6. Step 6: Final answer
    x = 10,903.62

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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.