Home / 12,997.89-19,505.48-7,076.27

Finding the Fourth Proportional to 12,997.89, 19,505.48 and 7,076.27

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Solution

The fourth proportional to 12,997.89, 19,505.48 and 7,076.27 is: 10,619.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997.89 : 19,505.48 = 7,076.27 : x
  2. Step 2: Convert to fraction form
    12,997.89/19,505.48 = 7,076.27/x
  3. Step 3: Cross multiply
    12,997.89x = 19,505.48 × 7,076.27
  4. Step 4: Simplify right side
    12,997.89x = 138,026,042.96
  5. Step 5: Solve for x
    x = 138,026,042.96/12,997.89
  6. Step 6: Final answer
    x = 10,619.11

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1.5x scale

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.