Home / 12,379.50-17,083.63-6,714.26

Finding the Fourth Proportional to 12,379.50, 17,083.63 and 6,714.26

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Solution

The fourth proportional to 12,379.50, 17,083.63 and 6,714.26 is: 9,265.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379.50 : 17,083.63 = 6,714.26 : x
  2. Step 2: Convert to fraction form
    12,379.50/17,083.63 = 6,714.26/x
  3. Step 3: Cross multiply
    12,379.50x = 17,083.63 × 6,714.26
  4. Step 4: Simplify right side
    12,379.50x = 114,703,933.56
  5. Step 5: Solve for x
    x = 114,703,933.56/12,379.50
  6. Step 6: Final answer
    x = 9,265.64

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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.