Home / 12,714.44-19,080.30-6,871.64

Finding the Fourth Proportional to 12,714.44, 19,080.30 and 6,871.64

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Solution

The fourth proportional to 12,714.44, 19,080.30 and 6,871.64 is: 10,312.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714.44 : 19,080.30 = 6,871.64 : x
  2. Step 2: Convert to fraction form
    12,714.44/19,080.30 = 6,871.64/x
  3. Step 3: Cross multiply
    12,714.44x = 19,080.30 × 6,871.64
  4. Step 4: Simplify right side
    12,714.44x = 131,112,952.69
  5. Step 5: Solve for x
    x = 131,112,952.69/12,714.44
  6. Step 6: Final answer
    x = 10,312.13

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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.