Home / 13,943.44-20,907.96-5,176.72

Finding the Fourth Proportional to 13,943.44, 20,907.96 and 5,176.72

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Solution

The fourth proportional to 13,943.44, 20,907.96 and 5,176.72 is: 7,762.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.44 : 20,907.96 = 5,176.72 : x
  2. Step 2: Convert to fraction form
    13,943.44/20,907.96 = 5,176.72/x
  3. Step 3: Cross multiply
    13,943.44x = 20,907.96 × 5,176.72
  4. Step 4: Simplify right side
    13,943.44x = 108,234,654.69
  5. Step 5: Solve for x
    x = 108,234,654.69/13,943.44
  6. Step 6: Final answer
    x = 7,762.41

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1.5x scale

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.