Home / 19,601.82-29,402.55-7,914.87

Finding the Fourth Proportional to 19,601.82, 29,402.55 and 7,914.87

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Solution

The fourth proportional to 19,601.82, 29,402.55 and 7,914.87 is: 11,872.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,601.82 : 29,402.55 = 7,914.87 : x
  2. Step 2: Convert to fraction form
    19,601.82/29,402.55 = 7,914.87/x
  3. Step 3: Cross multiply
    19,601.82x = 29,402.55 × 7,914.87
  4. Step 4: Simplify right side
    19,601.82x = 232,717,360.92
  5. Step 5: Solve for x
    x = 232,717,360.92/19,601.82
  6. Step 6: Final answer
    x = 11,872.23

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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.