Home / 11,956.77-16,500.42-6,651.45

Finding the Fourth Proportional to 11,956.77, 16,500.42 and 6,651.45

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Solution

The fourth proportional to 11,956.77, 16,500.42 and 6,651.45 is: 9,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.77 : 16,500.42 = 6,651.45 : x
  2. Step 2: Convert to fraction form
    11,956.77/16,500.42 = 6,651.45/x
  3. Step 3: Cross multiply
    11,956.77x = 16,500.42 × 6,651.45
  4. Step 4: Simplify right side
    11,956.77x = 109,751,718.61
  5. Step 5: Solve for x
    x = 109,751,718.61/11,956.77
  6. Step 6: Final answer
    x = 9,179.04

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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.