Home / 11,199.11-16,780.20-6,505.94

Finding the Fourth Proportional to 11,199.11, 16,780.20 and 6,505.94

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Solution

The fourth proportional to 11,199.11, 16,780.20 and 6,505.94 is: 9,748.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.11 : 16,780.20 = 6,505.94 : x
  2. Step 2: Convert to fraction form
    11,199.11/16,780.20 = 6,505.94/x
  3. Step 3: Cross multiply
    11,199.11x = 16,780.20 × 6,505.94
  4. Step 4: Simplify right side
    11,199.11x = 109,170,890.49
  5. Step 5: Solve for x
    x = 109,170,890.49/11,199.11
  6. Step 6: Final answer
    x = 9,748.18

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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.