Home / 18,512.99-27,774.87-6,666.56

Finding the Fourth Proportional to 18,512.99, 27,774.87 and 6,666.56

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Solution

The fourth proportional to 18,512.99, 27,774.87 and 6,666.56 is: 10,001.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512.99 : 27,774.87 = 6,666.56 : x
  2. Step 2: Convert to fraction form
    18,512.99/27,774.87 = 6,666.56/x
  3. Step 3: Cross multiply
    18,512.99x = 27,774.87 × 6,666.56
  4. Step 4: Simplify right side
    18,512.99x = 185,162,698.47
  5. Step 5: Solve for x
    x = 185,162,698.47/18,512.99
  6. Step 6: Final answer
    x = 10,001.77

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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.