Home / 15,467.44-23,190.76-7,142.87

Finding the Fourth Proportional to 15,467.44, 23,190.76 and 7,142.87

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Solution

The fourth proportional to 15,467.44, 23,190.76 and 7,142.87 is: 10,709.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.44 : 23,190.76 = 7,142.87 : x
  2. Step 2: Convert to fraction form
    15,467.44/23,190.76 = 7,142.87/x
  3. Step 3: Cross multiply
    15,467.44x = 23,190.76 × 7,142.87
  4. Step 4: Simplify right side
    15,467.44x = 165,648,583.88
  5. Step 5: Solve for x
    x = 165,648,583.88/15,467.44
  6. Step 6: Final answer
    x = 10,709.50

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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.