Home / 18,178.12-27,269.91-5,695.36

Finding the Fourth Proportional to 18,178.12, 27,269.91 and 5,695.36

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Solution

The fourth proportional to 18,178.12, 27,269.91 and 5,695.36 is: 8,543.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178.12 : 27,269.91 = 5,695.36 : x
  2. Step 2: Convert to fraction form
    18,178.12/27,269.91 = 5,695.36/x
  3. Step 3: Cross multiply
    18,178.12x = 27,269.91 × 5,695.36
  4. Step 4: Simplify right side
    18,178.12x = 155,311,789.79
  5. Step 5: Solve for x
    x = 155,311,789.79/18,178.12
  6. Step 6: Final answer
    x = 8,543.89

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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.