Home / 13,134.80-19,694.62-8,979.84

Finding the Fourth Proportional to 13,134.80, 19,694.62 and 8,979.84

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Solution

The fourth proportional to 13,134.80, 19,694.62 and 8,979.84 is: 13,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.80 : 19,694.62 = 8,979.84 : x
  2. Step 2: Convert to fraction form
    13,134.80/19,694.62 = 8,979.84/x
  3. Step 3: Cross multiply
    13,134.80x = 19,694.62 × 8,979.84
  4. Step 4: Simplify right side
    13,134.80x = 176,854,467.04
  5. Step 5: Solve for x
    x = 176,854,467.04/13,134.80
  6. Step 6: Final answer
    x = 13,464.58

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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.