Home / 11,244.72-16,846.80-5,388.40

Finding the Fourth Proportional to 11,244.72, 16,846.80 and 5,388.40

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Solution

The fourth proportional to 11,244.72, 16,846.80 and 5,388.40 is: 8,072.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,244.72 : 16,846.80 = 5,388.40 : x
  2. Step 2: Convert to fraction form
    11,244.72/16,846.80 = 5,388.40/x
  3. Step 3: Cross multiply
    11,244.72x = 16,846.80 × 5,388.40
  4. Step 4: Simplify right side
    11,244.72x = 90,777,297.12
  5. Step 5: Solve for x
    x = 90,777,297.12/11,244.72
  6. Step 6: Final answer
    x = 8,072.88

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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.