Home / 18,115.35-27,173.20-4,967.72

Finding the Fourth Proportional to 18,115.35, 27,173.20 and 4,967.72

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Solution

The fourth proportional to 18,115.35, 27,173.20 and 4,967.72 is: 7,451.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,115.35 : 27,173.20 = 4,967.72 : x
  2. Step 2: Convert to fraction form
    18,115.35/27,173.20 = 4,967.72/x
  3. Step 3: Cross multiply
    18,115.35x = 27,173.20 × 4,967.72
  4. Step 4: Simplify right side
    18,115.35x = 134,988,849.10
  5. Step 5: Solve for x
    x = 134,988,849.10/18,115.35
  6. Step 6: Final answer
    x = 7,451.63

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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.