Home / 19,893.35-29,837.79-5,102.61

Finding the Fourth Proportional to 19,893.35, 29,837.79 and 5,102.61

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Solution

The fourth proportional to 19,893.35, 29,837.79 and 5,102.61 is: 7,653.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,893.35 : 29,837.79 = 5,102.61 : x
  2. Step 2: Convert to fraction form
    19,893.35/29,837.79 = 5,102.61/x
  3. Step 3: Cross multiply
    19,893.35x = 29,837.79 × 5,102.61
  4. Step 4: Simplify right side
    19,893.35x = 152,250,605.63
  5. Step 5: Solve for x
    x = 152,250,605.63/19,893.35
  6. Step 6: Final answer
    x = 7,653.34

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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.