Home / 10,399.44-15,600.46-4,775.76

Finding the Fourth Proportional to 10,399.44, 15,600.46 and 4,775.76

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Solution

The fourth proportional to 10,399.44, 15,600.46 and 4,775.76 is: 7,164.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.44 : 15,600.46 = 4,775.76 : x
  2. Step 2: Convert to fraction form
    10,399.44/15,600.46 = 4,775.76/x
  3. Step 3: Cross multiply
    10,399.44x = 15,600.46 × 4,775.76
  4. Step 4: Simplify right side
    10,399.44x = 74,504,052.85
  5. Step 5: Solve for x
    x = 74,504,052.85/10,399.44
  6. Step 6: Final answer
    x = 7,164.24

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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.