Home / 9,786.12-14,680.35-3,213.06

Finding the Fourth Proportional to 9,786.12, 14,680.35 and 3,213.06

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Solution

The fourth proportional to 9,786.12, 14,680.35 and 3,213.06 is: 4,819.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.12 : 14,680.35 = 3,213.06 : x
  2. Step 2: Convert to fraction form
    9,786.12/14,680.35 = 3,213.06/x
  3. Step 3: Cross multiply
    9,786.12x = 14,680.35 × 3,213.06
  4. Step 4: Simplify right side
    9,786.12x = 47,168,845.37
  5. Step 5: Solve for x
    x = 47,168,845.37/9,786.12
  6. Step 6: Final answer
    x = 4,819.97

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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.