Home / 13,845.48-19,106.66-8,255.72

Finding the Fourth Proportional to 13,845.48, 19,106.66 and 8,255.72

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Solution

The fourth proportional to 13,845.48, 19,106.66 and 8,255.72 is: 11,392.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,845.48 : 19,106.66 = 8,255.72 : x
  2. Step 2: Convert to fraction form
    13,845.48/19,106.66 = 8,255.72/x
  3. Step 3: Cross multiply
    13,845.48x = 19,106.66 × 8,255.72
  4. Step 4: Simplify right side
    13,845.48x = 157,739,235.10
  5. Step 5: Solve for x
    x = 157,739,235.10/13,845.48
  6. Step 6: Final answer
    x = 11,392.83

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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.