Home / 18,186.70-27,270.82-8,317.52

Finding the Fourth Proportional to 18,186.70, 27,270.82 and 8,317.52

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Solution

The fourth proportional to 18,186.70, 27,270.82 and 8,317.52 is: 12,472.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186.70 : 27,270.82 = 8,317.52 : x
  2. Step 2: Convert to fraction form
    18,186.70/27,270.82 = 8,317.52/x
  3. Step 3: Cross multiply
    18,186.70x = 27,270.82 × 8,317.52
  4. Step 4: Simplify right side
    18,186.70x = 226,825,567.07
  5. Step 5: Solve for x
    x = 226,825,567.07/18,186.70
  6. Step 6: Final answer
    x = 12,472.06

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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.