Home / 11,131.26-16,705.35-4,117.91

Finding the Fourth Proportional to 11,131.26, 16,705.35 and 4,117.91

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Solution

The fourth proportional to 11,131.26, 16,705.35 and 4,117.91 is: 6,179.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.26 : 16,705.35 = 4,117.91 : x
  2. Step 2: Convert to fraction form
    11,131.26/16,705.35 = 4,117.91/x
  3. Step 3: Cross multiply
    11,131.26x = 16,705.35 × 4,117.91
  4. Step 4: Simplify right side
    11,131.26x = 68,791,044.29
  5. Step 5: Solve for x
    x = 68,791,044.29/11,131.26
  6. Step 6: Final answer
    x = 6,179.99

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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.