Home / 11,786.65-16,261.53-7,308.79

Finding the Fourth Proportional to 11,786.65, 16,261.53 and 7,308.79

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Solution

The fourth proportional to 11,786.65, 16,261.53 and 7,308.79 is: 10,083.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.65 : 16,261.53 = 7,308.79 : x
  2. Step 2: Convert to fraction form
    11,786.65/16,261.53 = 7,308.79/x
  3. Step 3: Cross multiply
    11,786.65x = 16,261.53 × 7,308.79
  4. Step 4: Simplify right side
    11,786.65x = 118,852,107.85
  5. Step 5: Solve for x
    x = 118,852,107.85/11,786.65
  6. Step 6: Final answer
    x = 10,083.62

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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.