Home / 10,786.60-16,182.21-6,108.82

Finding the Fourth Proportional to 10,786.60, 16,182.21 and 6,108.82

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Solution

The fourth proportional to 10,786.60, 16,182.21 and 6,108.82 is: 9,164.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,786.60 : 16,182.21 = 6,108.82 : x
  2. Step 2: Convert to fraction form
    10,786.60/16,182.21 = 6,108.82/x
  3. Step 3: Cross multiply
    10,786.60x = 16,182.21 × 6,108.82
  4. Step 4: Simplify right side
    10,786.60x = 98,854,208.09
  5. Step 5: Solve for x
    x = 98,854,208.09/10,786.60
  6. Step 6: Final answer
    x = 9,164.54

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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.