Home / 19,836.57-29,735.14-9,945.66

Finding the Fourth Proportional to 19,836.57, 29,735.14 and 9,945.66

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Solution

The fourth proportional to 19,836.57, 29,735.14 and 9,945.66 is: 14,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836.57 : 29,735.14 = 9,945.66 : x
  2. Step 2: Convert to fraction form
    19,836.57/29,735.14 = 9,945.66/x
  3. Step 3: Cross multiply
    19,836.57x = 29,735.14 × 9,945.66
  4. Step 4: Simplify right side
    19,836.57x = 295,735,418.95
  5. Step 5: Solve for x
    x = 295,735,418.95/19,836.57
  6. Step 6: Final answer
    x = 14,908.60

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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.