Home / 18,207.97-27,315.60-6,519.67

Finding the Fourth Proportional to 18,207.97, 27,315.60 and 6,519.67

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Solution

The fourth proportional to 18,207.97, 27,315.60 and 6,519.67 is: 9,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207.97 : 27,315.60 = 6,519.67 : x
  2. Step 2: Convert to fraction form
    18,207.97/27,315.60 = 6,519.67/x
  3. Step 3: Cross multiply
    18,207.97x = 27,315.60 × 6,519.67
  4. Step 4: Simplify right side
    18,207.97x = 178,088,697.85
  5. Step 5: Solve for x
    x = 178,088,697.85/18,207.97
  6. Step 6: Final answer
    x = 9,780.81

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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.