Home / 11,725.04-16,179.99-6,419.88

Finding the Fourth Proportional to 11,725.04, 16,179.99 and 6,419.88

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Solution

The fourth proportional to 11,725.04, 16,179.99 and 6,419.88 is: 8,859.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.04 : 16,179.99 = 6,419.88 : x
  2. Step 2: Convert to fraction form
    11,725.04/16,179.99 = 6,419.88/x
  3. Step 3: Cross multiply
    11,725.04x = 16,179.99 × 6,419.88
  4. Step 4: Simplify right side
    11,725.04x = 103,873,594.20
  5. Step 5: Solve for x
    x = 103,873,594.20/11,725.04
  6. Step 6: Final answer
    x = 8,859.13

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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.