Home / 18,470.45-27,717.83-6,783.77

Finding the Fourth Proportional to 18,470.45, 27,717.83 and 6,783.77

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Solution

The fourth proportional to 18,470.45, 27,717.83 and 6,783.77 is: 10,180.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.45 : 27,717.83 = 6,783.77 : x
  2. Step 2: Convert to fraction form
    18,470.45/27,717.83 = 6,783.77/x
  3. Step 3: Cross multiply
    18,470.45x = 27,717.83 × 6,783.77
  4. Step 4: Simplify right side
    18,470.45x = 188,031,211.11
  5. Step 5: Solve for x
    x = 188,031,211.11/18,470.45
  6. Step 6: Final answer
    x = 10,180.11

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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.