Home / 10,004.72-15,004.80-3,765.39

Finding the Fourth Proportional to 10,004.72, 15,004.80 and 3,765.39

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Solution

The fourth proportional to 10,004.72, 15,004.80 and 3,765.39 is: 5,647.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,004.72 : 15,004.80 = 3,765.39 : x
  2. Step 2: Convert to fraction form
    10,004.72/15,004.80 = 3,765.39/x
  3. Step 3: Cross multiply
    10,004.72x = 15,004.80 × 3,765.39
  4. Step 4: Simplify right side
    10,004.72x = 56,498,923.87
  5. Step 5: Solve for x
    x = 56,498,923.87/10,004.72
  6. Step 6: Final answer
    x = 5,647.23

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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.