Home / 11,962.31-16,515.36-7,714.89

Finding the Fourth Proportional to 11,962.31, 16,515.36 and 7,714.89

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Solution

The fourth proportional to 11,962.31, 16,515.36 and 7,714.89 is: 10,651.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.31 : 16,515.36 = 7,714.89 : x
  2. Step 2: Convert to fraction form
    11,962.31/16,515.36 = 7,714.89/x
  3. Step 3: Cross multiply
    11,962.31x = 16,515.36 × 7,714.89
  4. Step 4: Simplify right side
    11,962.31x = 127,414,185.71
  5. Step 5: Solve for x
    x = 127,414,185.71/11,962.31
  6. Step 6: Final answer
    x = 10,651.31

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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.