Home / 12,887.34-19,331.49-4,003.59

Finding the Fourth Proportional to 12,887.34, 19,331.49 and 4,003.59

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Solution

The fourth proportional to 12,887.34, 19,331.49 and 4,003.59 is: 6,005.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887.34 : 19,331.49 = 4,003.59 : x
  2. Step 2: Convert to fraction form
    12,887.34/19,331.49 = 4,003.59/x
  3. Step 3: Cross multiply
    12,887.34x = 19,331.49 × 4,003.59
  4. Step 4: Simplify right side
    12,887.34x = 77,395,447.56
  5. Step 5: Solve for x
    x = 77,395,447.56/12,887.34
  6. Step 6: Final answer
    x = 6,005.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.