Home / 12,837.06-17,714.59-7,171.79

Finding the Fourth Proportional to 12,837.06, 17,714.59 and 7,171.79

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Solution

The fourth proportional to 12,837.06, 17,714.59 and 7,171.79 is: 9,896.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.06 : 17,714.59 = 7,171.79 : x
  2. Step 2: Convert to fraction form
    12,837.06/17,714.59 = 7,171.79/x
  3. Step 3: Cross multiply
    12,837.06x = 17,714.59 × 7,171.79
  4. Step 4: Simplify right side
    12,837.06x = 127,045,194.98
  5. Step 5: Solve for x
    x = 127,045,194.98/12,837.06
  6. Step 6: Final answer
    x = 9,896.75

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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.