Home / 9,629.24-13,299.32-6,479.96

Finding the Fourth Proportional to 9,629.24, 13,299.32 and 6,479.96

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Solution

The fourth proportional to 9,629.24, 13,299.32 and 6,479.96 is: 8,949.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,629.24 : 13,299.32 = 6,479.96 : x
  2. Step 2: Convert to fraction form
    9,629.24/13,299.32 = 6,479.96/x
  3. Step 3: Cross multiply
    9,629.24x = 13,299.32 × 6,479.96
  4. Step 4: Simplify right side
    9,629.24x = 86,179,061.63
  5. Step 5: Solve for x
    x = 86,179,061.63/9,629.24
  6. Step 6: Final answer
    x = 8,949.73

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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.