Home / 11,978.49-16,529.85-6,673.17

Finding the Fourth Proportional to 11,978.49, 16,529.85 and 6,673.17

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Solution

The fourth proportional to 11,978.49, 16,529.85 and 6,673.17 is: 9,208.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,978.49 : 16,529.85 = 6,673.17 : x
  2. Step 2: Convert to fraction form
    11,978.49/16,529.85 = 6,673.17/x
  3. Step 3: Cross multiply
    11,978.49x = 16,529.85 × 6,673.17
  4. Step 4: Simplify right side
    11,978.49x = 110,306,499.12
  5. Step 5: Solve for x
    x = 110,306,499.12/11,978.49
  6. Step 6: Final answer
    x = 9,208.71

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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.