Home / 11,720.52-16,174.26-6,415.24

Finding the Fourth Proportional to 11,720.52, 16,174.26 and 6,415.24

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Solution

The fourth proportional to 11,720.52, 16,174.26 and 6,415.24 is: 8,853.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.52 : 16,174.26 = 6,415.24 : x
  2. Step 2: Convert to fraction form
    11,720.52/16,174.26 = 6,415.24/x
  3. Step 3: Cross multiply
    11,720.52x = 16,174.26 × 6,415.24
  4. Step 4: Simplify right side
    11,720.52x = 103,761,759.72
  5. Step 5: Solve for x
    x = 103,761,759.72/11,720.52
  6. Step 6: Final answer
    x = 8,853.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.