Home / 11,818.32-17,727.64-5,660.88

Finding the Fourth Proportional to 11,818.32, 17,727.64 and 5,660.88

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Solution

The fourth proportional to 11,818.32, 17,727.64 and 5,660.88 is: 8,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.32 : 17,727.64 = 5,660.88 : x
  2. Step 2: Convert to fraction form
    11,818.32/17,727.64 = 5,660.88/x
  3. Step 3: Cross multiply
    11,818.32x = 17,727.64 × 5,660.88
  4. Step 4: Simplify right side
    11,818.32x = 100,354,042.72
  5. Step 5: Solve for x
    x = 100,354,042.72/11,818.32
  6. Step 6: Final answer
    x = 8,491.40

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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.