Home / 10,134.42-15,201.63-2,738.90

Finding the Fourth Proportional to 10,134.42, 15,201.63 and 2,738.90

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Solution

The fourth proportional to 10,134.42, 15,201.63 and 2,738.90 is: 4,108.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.42 : 15,201.63 = 2,738.90 : x
  2. Step 2: Convert to fraction form
    10,134.42/15,201.63 = 2,738.90/x
  3. Step 3: Cross multiply
    10,134.42x = 15,201.63 × 2,738.90
  4. Step 4: Simplify right side
    10,134.42x = 41,635,668.40
  5. Step 5: Solve for x
    x = 41,635,668.40/10,134.42
  6. Step 6: Final answer
    x = 4,108.34

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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.