Home / 10,150.46-15,221.78-3,485.72

Finding the Fourth Proportional to 10,150.46, 15,221.78 and 3,485.72

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Solution

The fourth proportional to 10,150.46, 15,221.78 and 3,485.72 is: 5,227.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,150.46 : 15,221.78 = 3,485.72 : x
  2. Step 2: Convert to fraction form
    10,150.46/15,221.78 = 3,485.72/x
  3. Step 3: Cross multiply
    10,150.46x = 15,221.78 × 3,485.72
  4. Step 4: Simplify right side
    10,150.46x = 53,058,795.59
  5. Step 5: Solve for x
    x = 53,058,795.59/10,150.46
  6. Step 6: Final answer
    x = 5,227.23

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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.