Home / 18,195.68-27,275.30-7,668.24

Finding the Fourth Proportional to 18,195.68, 27,275.30 and 7,668.24

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Solution

The fourth proportional to 18,195.68, 27,275.30 and 7,668.24 is: 11,494.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.68 : 27,275.30 = 7,668.24 : x
  2. Step 2: Convert to fraction form
    18,195.68/27,275.30 = 7,668.24/x
  3. Step 3: Cross multiply
    18,195.68x = 27,275.30 × 7,668.24
  4. Step 4: Simplify right side
    18,195.68x = 209,153,546.47
  5. Step 5: Solve for x
    x = 209,153,546.47/18,195.68
  6. Step 6: Final answer
    x = 11,494.68

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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.