Home / 12,837.26-19,260.66-7,849.87

Finding the Fourth Proportional to 12,837.26, 19,260.66 and 7,849.87

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Solution

The fourth proportional to 12,837.26, 19,260.66 and 7,849.87 is: 11,777.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.26 : 19,260.66 = 7,849.87 : x
  2. Step 2: Convert to fraction form
    12,837.26/19,260.66 = 7,849.87/x
  3. Step 3: Cross multiply
    12,837.26x = 19,260.66 × 7,849.87
  4. Step 4: Simplify right side
    12,837.26x = 151,193,677.11
  5. Step 5: Solve for x
    x = 151,193,677.11/12,837.26
  6. Step 6: Final answer
    x = 11,777.72

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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.