Home / 11,152.32-16,729.29-3,756.78

Finding the Fourth Proportional to 11,152.32, 16,729.29 and 3,756.78

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Solution

The fourth proportional to 11,152.32, 16,729.29 and 3,756.78 is: 5,635.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.32 : 16,729.29 = 3,756.78 : x
  2. Step 2: Convert to fraction form
    11,152.32/16,729.29 = 3,756.78/x
  3. Step 3: Cross multiply
    11,152.32x = 16,729.29 × 3,756.78
  4. Step 4: Simplify right side
    11,152.32x = 62,848,262.09
  5. Step 5: Solve for x
    x = 62,848,262.09/11,152.32
  6. Step 6: Final answer
    x = 5,635.44

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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.