Home / 13,824.24-20,738.64-5,071.44

Finding the Fourth Proportional to 13,824.24, 20,738.64 and 5,071.44

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Solution

The fourth proportional to 13,824.24, 20,738.64 and 5,071.44 is: 7,608.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.24 : 20,738.64 = 5,071.44 : x
  2. Step 2: Convert to fraction form
    13,824.24/20,738.64 = 5,071.44/x
  3. Step 3: Cross multiply
    13,824.24x = 20,738.64 × 5,071.44
  4. Step 4: Simplify right side
    13,824.24x = 105,174,768.44
  5. Step 5: Solve for x
    x = 105,174,768.44/13,824.24
  6. Step 6: Final answer
    x = 7,608.00

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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.