Home / 11,956.38-16,500.72-6,651.59

Finding the Fourth Proportional to 11,956.38, 16,500.72 and 6,651.59

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Solution

The fourth proportional to 11,956.38, 16,500.72 and 6,651.59 is: 9,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.38 : 16,500.72 = 6,651.59 : x
  2. Step 2: Convert to fraction form
    11,956.38/16,500.72 = 6,651.59/x
  3. Step 3: Cross multiply
    11,956.38x = 16,500.72 × 6,651.59
  4. Step 4: Simplify right side
    11,956.38x = 109,756,024.14
  5. Step 5: Solve for x
    x = 109,756,024.14/11,956.38
  6. Step 6: Final answer
    x = 9,179.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.