Home / 11,984.73-17,979.38-5,410.91

Finding the Fourth Proportional to 11,984.73, 17,979.38 and 5,410.91

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Solution

The fourth proportional to 11,984.73, 17,979.38 and 5,410.91 is: 8,117.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.73 : 17,979.38 = 5,410.91 : x
  2. Step 2: Convert to fraction form
    11,984.73/17,979.38 = 5,410.91/x
  3. Step 3: Cross multiply
    11,984.73x = 17,979.38 × 5,410.91
  4. Step 4: Simplify right side
    11,984.73x = 97,284,690.08
  5. Step 5: Solve for x
    x = 97,284,690.08/11,984.73
  6. Step 6: Final answer
    x = 8,117.39

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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.