Home / 11,837.50-17,756.39-3,071.89

Finding the Fourth Proportional to 11,837.50, 17,756.39 and 3,071.89

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Solution

The fourth proportional to 11,837.50, 17,756.39 and 3,071.89 is: 4,607.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,837.50 : 17,756.39 = 3,071.89 : x
  2. Step 2: Convert to fraction form
    11,837.50/17,756.39 = 3,071.89/x
  3. Step 3: Cross multiply
    11,837.50x = 17,756.39 × 3,071.89
  4. Step 4: Simplify right side
    11,837.50x = 54,545,676.88
  5. Step 5: Solve for x
    x = 54,545,676.88/11,837.50
  6. Step 6: Final answer
    x = 4,607.87

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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.