Home / 18,134.80-27,221.64-9,367.36

Finding the Fourth Proportional to 18,134.80, 27,221.64 and 9,367.36

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Solution

The fourth proportional to 18,134.80, 27,221.64 and 9,367.36 is: 14,061.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134.80 : 27,221.64 = 9,367.36 : x
  2. Step 2: Convert to fraction form
    18,134.80/27,221.64 = 9,367.36/x
  3. Step 3: Cross multiply
    18,134.80x = 27,221.64 × 9,367.36
  4. Step 4: Simplify right side
    18,134.80x = 254,994,901.67
  5. Step 5: Solve for x
    x = 254,994,901.67/18,134.80
  6. Step 6: Final answer
    x = 14,061.08

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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.