Home / 12,183.59-16,810.97-6,877.38

Finding the Fourth Proportional to 12,183.59, 16,810.97 and 6,877.38

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Solution

The fourth proportional to 12,183.59, 16,810.97 and 6,877.38 is: 9,489.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.59 : 16,810.97 = 6,877.38 : x
  2. Step 2: Convert to fraction form
    12,183.59/16,810.97 = 6,877.38/x
  3. Step 3: Cross multiply
    12,183.59x = 16,810.97 × 6,877.38
  4. Step 4: Simplify right side
    12,183.59x = 115,615,428.86
  5. Step 5: Solve for x
    x = 115,615,428.86/12,183.59
  6. Step 6: Final answer
    x = 9,489.44

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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.