Home / 11,714.90-16,166.79-6,409.82

Finding the Fourth Proportional to 11,714.90, 16,166.79 and 6,409.82

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Solution

The fourth proportional to 11,714.90, 16,166.79 and 6,409.82 is: 8,845.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,714.90 : 16,166.79 = 6,409.82 : x
  2. Step 2: Convert to fraction form
    11,714.90/16,166.79 = 6,409.82/x
  3. Step 3: Cross multiply
    11,714.90x = 16,166.79 × 6,409.82
  4. Step 4: Simplify right side
    11,714.90x = 103,626,272.59
  5. Step 5: Solve for x
    x = 103,626,272.59/11,714.90
  6. Step 6: Final answer
    x = 8,845.69

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1.5x scale

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.