Home / 18,304.72-27,447.40-8,435.60

Finding the Fourth Proportional to 18,304.72, 27,447.40 and 8,435.60

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Solution

The fourth proportional to 18,304.72, 27,447.40 and 8,435.60 is: 12,648.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,304.72 : 27,447.40 = 8,435.60 : x
  2. Step 2: Convert to fraction form
    18,304.72/27,447.40 = 8,435.60/x
  3. Step 3: Cross multiply
    18,304.72x = 27,447.40 × 8,435.60
  4. Step 4: Simplify right side
    18,304.72x = 231,535,287.44
  5. Step 5: Solve for x
    x = 231,535,287.44/18,304.72
  6. Step 6: Final answer
    x = 12,648.94

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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.