Home / 11,712.89-17,576.63-4,319.01

Finding the Fourth Proportional to 11,712.89, 17,576.63 and 4,319.01

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Solution

The fourth proportional to 11,712.89, 17,576.63 and 4,319.01 is: 6,481.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712.89 : 17,576.63 = 4,319.01 : x
  2. Step 2: Convert to fraction form
    11,712.89/17,576.63 = 4,319.01/x
  3. Step 3: Cross multiply
    11,712.89x = 17,576.63 × 4,319.01
  4. Step 4: Simplify right side
    11,712.89x = 75,913,619.14
  5. Step 5: Solve for x
    x = 75,913,619.14/11,712.89
  6. Step 6: Final answer
    x = 6,481.21

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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.