Home / 18,195.69-27,300.21-7,668.36

Finding the Fourth Proportional to 18,195.69, 27,300.21 and 7,668.36

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Solution

The fourth proportional to 18,195.69, 27,300.21 and 7,668.36 is: 11,505.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.69 : 27,300.21 = 7,668.36 : x
  2. Step 2: Convert to fraction form
    18,195.69/27,300.21 = 7,668.36/x
  3. Step 3: Cross multiply
    18,195.69x = 27,300.21 × 7,668.36
  4. Step 4: Simplify right side
    18,195.69x = 209,347,838.36
  5. Step 5: Solve for x
    x = 209,347,838.36/18,195.69
  6. Step 6: Final answer
    x = 11,505.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.