Home / 34,086.62-51,153.28-11,900

Finding the Fourth Proportional to 34,086.62, 51,153.28 and 11,900

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Solution

The fourth proportional to 34,086.62, 51,153.28 and 11,900 is: 17,858.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,086.62 : 51,153.28 = 11,900 : x
  2. Step 2: Convert to fraction form
    34,086.62/51,153.28 = 11,900/x
  3. Step 3: Cross multiply
    34,086.62x = 51,153.28 × 11,900
  4. Step 4: Simplify right side
    34,086.62x = 608,724,032
  5. Step 5: Solve for x
    x = 608,724,032/34,086.62
  6. Step 6: Final answer
    x = 17,858.15

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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.