Home / 12,183.64-16,811.76-6,877.60

Finding the Fourth Proportional to 12,183.64, 16,811.76 and 6,877.60

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Solution

The fourth proportional to 12,183.64, 16,811.76 and 6,877.60 is: 9,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.64 : 16,811.76 = 6,877.60 : x
  2. Step 2: Convert to fraction form
    12,183.64/16,811.76 = 6,877.60/x
  3. Step 3: Cross multiply
    12,183.64x = 16,811.76 × 6,877.60
  4. Step 4: Simplify right side
    12,183.64x = 115,624,560.58
  5. Step 5: Solve for x
    x = 115,624,560.58/12,183.64
  6. Step 6: Final answer
    x = 9,490.15

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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.