Home / 12,731.11-19,097.60-3,371.06

Finding the Fourth Proportional to 12,731.11, 19,097.60 and 3,371.06

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Solution

The fourth proportional to 12,731.11, 19,097.60 and 3,371.06 is: 5,056.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.11 : 19,097.60 = 3,371.06 : x
  2. Step 2: Convert to fraction form
    12,731.11/19,097.60 = 3,371.06/x
  3. Step 3: Cross multiply
    12,731.11x = 19,097.60 × 3,371.06
  4. Step 4: Simplify right side
    12,731.11x = 64,379,186.34
  5. Step 5: Solve for x
    x = 64,379,186.34/12,731.11
  6. Step 6: Final answer
    x = 5,056.84

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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.