Home / 11,148.32-16,719.24-7,273.28

Finding the Fourth Proportional to 11,148.32, 16,719.24 and 7,273.28

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Solution

The fourth proportional to 11,148.32, 16,719.24 and 7,273.28 is: 10,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.32 : 16,719.24 = 7,273.28 : x
  2. Step 2: Convert to fraction form
    11,148.32/16,719.24 = 7,273.28/x
  3. Step 3: Cross multiply
    11,148.32x = 16,719.24 × 7,273.28
  4. Step 4: Simplify right side
    11,148.32x = 121,603,713.91
  5. Step 5: Solve for x
    x = 121,603,713.91/11,148.32
  6. Step 6: Final answer
    x = 10,907.81

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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.