Home / 18,613.50-27,921.60-6,133.64

Finding the Fourth Proportional to 18,613.50, 27,921.60 and 6,133.64

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Solution

The fourth proportional to 18,613.50, 27,921.60 and 6,133.64 is: 9,200.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,613.50 : 27,921.60 = 6,133.64 : x
  2. Step 2: Convert to fraction form
    18,613.50/27,921.60 = 6,133.64/x
  3. Step 3: Cross multiply
    18,613.50x = 27,921.60 × 6,133.64
  4. Step 4: Simplify right side
    18,613.50x = 171,261,042.62
  5. Step 5: Solve for x
    x = 171,261,042.62/18,613.50
  6. Step 6: Final answer
    x = 9,200.90

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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.