Home / 11,724.51-16,179.83-6,419.66

Finding the Fourth Proportional to 11,724.51, 16,179.83 and 6,419.66

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Solution

The fourth proportional to 11,724.51, 16,179.83 and 6,419.66 is: 8,859.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,724.51 : 16,179.83 = 6,419.66 : x
  2. Step 2: Convert to fraction form
    11,724.51/16,179.83 = 6,419.66/x
  3. Step 3: Cross multiply
    11,724.51x = 16,179.83 × 6,419.66
  4. Step 4: Simplify right side
    11,724.51x = 103,868,894.46
  5. Step 5: Solve for x
    x = 103,868,894.46/11,724.51
  6. Step 6: Final answer
    x = 8,859.12

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