Home / 13,935.44-20,911.32-5,176.52

Finding the Fourth Proportional to 13,935.44, 20,911.32 and 5,176.52

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Solution

The fourth proportional to 13,935.44, 20,911.32 and 5,176.52 is: 7,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.44 : 20,911.32 = 5,176.52 : x
  2. Step 2: Convert to fraction form
    13,935.44/20,911.32 = 5,176.52/x
  3. Step 3: Cross multiply
    13,935.44x = 20,911.32 × 5,176.52
  4. Step 4: Simplify right side
    13,935.44x = 108,247,866.21
  5. Step 5: Solve for x
    x = 108,247,866.21/13,935.44
  6. Step 6: Final answer
    x = 7,767.81

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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.