Home / 18,466.20-27,683.10-11,062.80

Finding the Fourth Proportional to 18,466.20, 27,683.10 and 11,062.80

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Solution

The fourth proportional to 18,466.20, 27,683.10 and 11,062.80 is: 16,584.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466.20 : 27,683.10 = 11,062.80 : x
  2. Step 2: Convert to fraction form
    18,466.20/27,683.10 = 11,062.80/x
  3. Step 3: Cross multiply
    18,466.20x = 27,683.10 × 11,062.80
  4. Step 4: Simplify right side
    18,466.20x = 306,252,598.68
  5. Step 5: Solve for x
    x = 306,252,598.68/18,466.20
  6. Step 6: Final answer
    x = 16,584.49

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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.