Home / 11,821.95-17,735.52-3,502.62

Finding the Fourth Proportional to 11,821.95, 17,735.52 and 3,502.62

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Solution

The fourth proportional to 11,821.95, 17,735.52 and 3,502.62 is: 5,254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.95 : 17,735.52 = 3,502.62 : x
  2. Step 2: Convert to fraction form
    11,821.95/17,735.52 = 3,502.62/x
  3. Step 3: Cross multiply
    11,821.95x = 17,735.52 × 3,502.62
  4. Step 4: Simplify right side
    11,821.95x = 62,120,787.06
  5. Step 5: Solve for x
    x = 62,120,787.06/11,821.95
  6. Step 6: Final answer
    x = 5,254.70

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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.