Home / 10,100.37-15,150.15-3,528.03

Finding the Fourth Proportional to 10,100.37, 15,150.15 and 3,528.03

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Solution

The fourth proportional to 10,100.37, 15,150.15 and 3,528.03 is: 5,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.37 : 15,150.15 = 3,528.03 : x
  2. Step 2: Convert to fraction form
    10,100.37/15,150.15 = 3,528.03/x
  3. Step 3: Cross multiply
    10,100.37x = 15,150.15 × 3,528.03
  4. Step 4: Simplify right side
    10,100.37x = 53,450,183.70
  5. Step 5: Solve for x
    x = 53,450,183.70/10,100.37
  6. Step 6: Final answer
    x = 5,291.90

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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.