Home / 10,125.41-15,190.34-3,106.39

Finding the Fourth Proportional to 10,125.41, 15,190.34 and 3,106.39

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Solution

The fourth proportional to 10,125.41, 15,190.34 and 3,106.39 is: 4,660.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.41 : 15,190.34 = 3,106.39 : x
  2. Step 2: Convert to fraction form
    10,125.41/15,190.34 = 3,106.39/x
  3. Step 3: Cross multiply
    10,125.41x = 15,190.34 × 3,106.39
  4. Step 4: Simplify right side
    10,125.41x = 47,187,120.27
  5. Step 5: Solve for x
    x = 47,187,120.27/10,125.41
  6. Step 6: Final answer
    x = 4,660.27

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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.