Home / 9,100.96-13,645.87-4,172.11

Finding the Fourth Proportional to 9,100.96, 13,645.87 and 4,172.11

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Solution

The fourth proportional to 9,100.96, 13,645.87 and 4,172.11 is: 6,255.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,100.96 : 13,645.87 = 4,172.11 : x
  2. Step 2: Convert to fraction form
    9,100.96/13,645.87 = 4,172.11/x
  3. Step 3: Cross multiply
    9,100.96x = 13,645.87 × 4,172.11
  4. Step 4: Simplify right side
    9,100.96x = 56,932,026.14
  5. Step 5: Solve for x
    x = 56,932,026.14/9,100.96
  6. Step 6: Final answer
    x = 6,255.61

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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.