Home / 21,077.05-31,617.69-6,084.54

Finding the Fourth Proportional to 21,077.05, 31,617.69 and 6,084.54

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Solution

The fourth proportional to 21,077.05, 31,617.69 and 6,084.54 is: 9,127.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,077.05 : 31,617.69 = 6,084.54 : x
  2. Step 2: Convert to fraction form
    21,077.05/31,617.69 = 6,084.54/x
  3. Step 3: Cross multiply
    21,077.05x = 31,617.69 × 6,084.54
  4. Step 4: Simplify right side
    21,077.05x = 192,379,069.09
  5. Step 5: Solve for x
    x = 192,379,069.09/21,077.05
  6. Step 6: Final answer
    x = 9,127.42

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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.