Home / 10,786.68-16,182.45-4,214.74

Finding the Fourth Proportional to 10,786.68, 16,182.45 and 4,214.74

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Solution

The fourth proportional to 10,786.68, 16,182.45 and 4,214.74 is: 6,323.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,786.68 : 16,182.45 = 4,214.74 : x
  2. Step 2: Convert to fraction form
    10,786.68/16,182.45 = 4,214.74/x
  3. Step 3: Cross multiply
    10,786.68x = 16,182.45 × 4,214.74
  4. Step 4: Simplify right side
    10,786.68x = 68,204,819.31
  5. Step 5: Solve for x
    x = 68,204,819.31/10,786.68
  6. Step 6: Final answer
    x = 6,323.06

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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.