Home / 11,469.24-15,828.30-6,433.79

Finding the Fourth Proportional to 11,469.24, 15,828.30 and 6,433.79

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Solution

The fourth proportional to 11,469.24, 15,828.30 and 6,433.79 is: 8,879.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,469.24 : 15,828.30 = 6,433.79 : x
  2. Step 2: Convert to fraction form
    11,469.24/15,828.30 = 6,433.79/x
  3. Step 3: Cross multiply
    11,469.24x = 15,828.30 × 6,433.79
  4. Step 4: Simplify right side
    11,469.24x = 101,835,958.26
  5. Step 5: Solve for x
    x = 101,835,958.26/11,469.24
  6. Step 6: Final answer
    x = 8,879.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.