Home / 12,164.20-16,786.56-6,575.20

Finding the Fourth Proportional to 12,164.20, 16,786.56 and 6,575.20

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Solution

The fourth proportional to 12,164.20, 16,786.56 and 6,575.20 is: 9,073.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,164.20 : 16,786.56 = 6,575.20 : x
  2. Step 2: Convert to fraction form
    12,164.20/16,786.56 = 6,575.20/x
  3. Step 3: Cross multiply
    12,164.20x = 16,786.56 × 6,575.20
  4. Step 4: Simplify right side
    12,164.20x = 110,374,989.31
  5. Step 5: Solve for x
    x = 110,374,989.31/12,164.20
  6. Step 6: Final answer
    x = 9,073.76

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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.