Home / 11,977.66-16,529.16-6,672.43

Finding the Fourth Proportional to 11,977.66, 16,529.16 and 6,672.43

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Solution

The fourth proportional to 11,977.66, 16,529.16 and 6,672.43 is: 9,207.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.66 : 16,529.16 = 6,672.43 : x
  2. Step 2: Convert to fraction form
    11,977.66/16,529.16 = 6,672.43/x
  3. Step 3: Cross multiply
    11,977.66x = 16,529.16 × 6,672.43
  4. Step 4: Simplify right side
    11,977.66x = 110,289,663.06
  5. Step 5: Solve for x
    x = 110,289,663.06/11,977.66
  6. Step 6: Final answer
    x = 9,207.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.