Home / 18,118.86-27,173.79-10,224.84

Finding the Fourth Proportional to 18,118.86, 27,173.79 and 10,224.84

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Solution

The fourth proportional to 18,118.86, 27,173.79 and 10,224.84 is: 15,334.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.86 : 27,173.79 = 10,224.84 : x
  2. Step 2: Convert to fraction form
    18,118.86/27,173.79 = 10,224.84/x
  3. Step 3: Cross multiply
    18,118.86x = 27,173.79 × 10,224.84
  4. Step 4: Simplify right side
    18,118.86x = 277,847,654.94
  5. Step 5: Solve for x
    x = 277,847,654.94/18,118.86
  6. Step 6: Final answer
    x = 15,334.72

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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.