Home / 11,956.21-16,500.17-6,651.13

Finding the Fourth Proportional to 11,956.21, 16,500.17 and 6,651.13

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Solution

The fourth proportional to 11,956.21, 16,500.17 and 6,651.13 is: 9,178.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.21 : 16,500.17 = 6,651.13 : x
  2. Step 2: Convert to fraction form
    11,956.21/16,500.17 = 6,651.13/x
  3. Step 3: Cross multiply
    11,956.21x = 16,500.17 × 6,651.13
  4. Step 4: Simplify right side
    11,956.21x = 109,744,709.82
  5. Step 5: Solve for x
    x = 109,744,709.82/11,956.21
  6. Step 6: Final answer
    x = 9,178.89

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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.