Home / 11,720.46-17,571.04-5,477.38

Finding the Fourth Proportional to 11,720.46, 17,571.04 and 5,477.38

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Solution

The fourth proportional to 11,720.46, 17,571.04 and 5,477.38 is: 8,211.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.46 : 17,571.04 = 5,477.38 : x
  2. Step 2: Convert to fraction form
    11,720.46/17,571.04 = 5,477.38/x
  3. Step 3: Cross multiply
    11,720.46x = 17,571.04 × 5,477.38
  4. Step 4: Simplify right side
    11,720.46x = 96,243,263.08
  5. Step 5: Solve for x
    x = 96,243,263.08/11,720.46
  6. Step 6: Final answer
    x = 8,211.56

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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.