Home / 18,514.80-27,771.24-4,663.92

Finding the Fourth Proportional to 18,514.80, 27,771.24 and 4,663.92

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Solution

The fourth proportional to 18,514.80, 27,771.24 and 4,663.92 is: 6,995.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514.80 : 27,771.24 = 4,663.92 : x
  2. Step 2: Convert to fraction form
    18,514.80/27,771.24 = 4,663.92/x
  3. Step 3: Cross multiply
    18,514.80x = 27,771.24 × 4,663.92
  4. Step 4: Simplify right side
    18,514.80x = 129,522,841.66
  5. Step 5: Solve for x
    x = 129,522,841.66/18,514.80
  6. Step 6: Final answer
    x = 6,995.64

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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.