Home / 11,467.65-15,825.99-8,629.91

Finding the Fourth Proportional to 11,467.65, 15,825.99 and 8,629.91

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Solution

The fourth proportional to 11,467.65, 15,825.99 and 8,629.91 is: 11,909.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,467.65 : 15,825.99 = 8,629.91 : x
  2. Step 2: Convert to fraction form
    11,467.65/15,825.99 = 8,629.91/x
  3. Step 3: Cross multiply
    11,467.65x = 15,825.99 × 8,629.91
  4. Step 4: Simplify right side
    11,467.65x = 136,576,869.36
  5. Step 5: Solve for x
    x = 136,576,869.36/11,467.65
  6. Step 6: Final answer
    x = 11,909.75

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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.