Home / 18,136.14-27,171.96-7,582.92

Finding the Fourth Proportional to 18,136.14, 27,171.96 and 7,582.92

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Solution

The fourth proportional to 18,136.14, 27,171.96 and 7,582.92 is: 11,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136.14 : 27,171.96 = 7,582.92 : x
  2. Step 2: Convert to fraction form
    18,136.14/27,171.96 = 7,582.92/x
  3. Step 3: Cross multiply
    18,136.14x = 27,171.96 × 7,582.92
  4. Step 4: Simplify right side
    18,136.14x = 206,042,798.92
  5. Step 5: Solve for x
    x = 206,042,798.92/18,136.14
  6. Step 6: Final answer
    x = 11,360.90

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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.