Home / 19,127.37-28,691.06-5,979.86

Finding the Fourth Proportional to 19,127.37, 28,691.06 and 5,979.86

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Solution

The fourth proportional to 19,127.37, 28,691.06 and 5,979.86 is: 8,969.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.37 : 28,691.06 = 5,979.86 : x
  2. Step 2: Convert to fraction form
    19,127.37/28,691.06 = 5,979.86/x
  3. Step 3: Cross multiply
    19,127.37x = 28,691.06 × 5,979.86
  4. Step 4: Simplify right side
    19,127.37x = 171,568,522.05
  5. Step 5: Solve for x
    x = 171,568,522.05/19,127.37
  6. Step 6: Final answer
    x = 8,969.79

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Similar ratio
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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.