Home / 9,945.30-14,919.03-3,708.30

Finding the Fourth Proportional to 9,945.30, 14,919.03 and 3,708.30

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Solution

The fourth proportional to 9,945.30, 14,919.03 and 3,708.30 is: 5,562.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945.30 : 14,919.03 = 3,708.30 : x
  2. Step 2: Convert to fraction form
    9,945.30/14,919.03 = 3,708.30/x
  3. Step 3: Cross multiply
    9,945.30x = 14,919.03 × 3,708.30
  4. Step 4: Simplify right side
    9,945.30x = 55,324,238.95
  5. Step 5: Solve for x
    x = 55,324,238.95/9,945.30
  6. Step 6: Final answer
    x = 5,562.85

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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.