Home / 18,668.48-27,998.60-10,754.24

Finding the Fourth Proportional to 18,668.48, 27,998.60 and 10,754.24

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Solution

The fourth proportional to 18,668.48, 27,998.60 and 10,754.24 is: 16,128.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668.48 : 27,998.60 = 10,754.24 : x
  2. Step 2: Convert to fraction form
    18,668.48/27,998.60 = 10,754.24/x
  3. Step 3: Cross multiply
    18,668.48x = 27,998.60 × 10,754.24
  4. Step 4: Simplify right side
    18,668.48x = 301,103,470.30
  5. Step 5: Solve for x
    x = 301,103,470.30/18,668.48
  6. Step 6: Final answer
    x = 16,128.98

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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.