Home / 11,005.71-16,508.63-2,685.79

Finding the Fourth Proportional to 11,005.71, 16,508.63 and 2,685.79

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Solution

The fourth proportional to 11,005.71, 16,508.63 and 2,685.79 is: 4,028.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.71 : 16,508.63 = 2,685.79 : x
  2. Step 2: Convert to fraction form
    11,005.71/16,508.63 = 2,685.79/x
  3. Step 3: Cross multiply
    11,005.71x = 16,508.63 × 2,685.79
  4. Step 4: Simplify right side
    11,005.71x = 44,338,713.37
  5. Step 5: Solve for x
    x = 44,338,713.37/11,005.71
  6. Step 6: Final answer
    x = 4,028.70

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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.