Home / 10,714.21-16,070.64-3,318.06

Finding the Fourth Proportional to 10,714.21, 16,070.64 and 3,318.06

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Solution

The fourth proportional to 10,714.21, 16,070.64 and 3,318.06 is: 4,976.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,714.21 : 16,070.64 = 3,318.06 : x
  2. Step 2: Convert to fraction form
    10,714.21/16,070.64 = 3,318.06/x
  3. Step 3: Cross multiply
    10,714.21x = 16,070.64 × 3,318.06
  4. Step 4: Simplify right side
    10,714.21x = 53,323,395.58
  5. Step 5: Solve for x
    x = 53,323,395.58/10,714.21
  6. Step 6: Final answer
    x = 4,976.89

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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.