Home / 18,066.70-27,104.03-5,415.95

Finding the Fourth Proportional to 18,066.70, 27,104.03 and 5,415.95

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Solution

The fourth proportional to 18,066.70, 27,104.03 and 5,415.95 is: 8,125.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,066.70 : 27,104.03 = 5,415.95 : x
  2. Step 2: Convert to fraction form
    18,066.70/27,104.03 = 5,415.95/x
  3. Step 3: Cross multiply
    18,066.70x = 27,104.03 × 5,415.95
  4. Step 4: Simplify right side
    18,066.70x = 146,794,152.58
  5. Step 5: Solve for x
    x = 146,794,152.58/18,066.70
  6. Step 6: Final answer
    x = 8,125.12

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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.