Home / 18,403.12-27,604.68-11,009.74

Finding the Fourth Proportional to 18,403.12, 27,604.68 and 11,009.74

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Solution

The fourth proportional to 18,403.12, 27,604.68 and 11,009.74 is: 16,514.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.12 : 27,604.68 = 11,009.74 : x
  2. Step 2: Convert to fraction form
    18,403.12/27,604.68 = 11,009.74/x
  3. Step 3: Cross multiply
    18,403.12x = 27,604.68 × 11,009.74
  4. Step 4: Simplify right side
    18,403.12x = 303,920,349.58
  5. Step 5: Solve for x
    x = 303,920,349.58/18,403.12
  6. Step 6: Final answer
    x = 16,514.61

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Similar ratio
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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.