Home / 10,821.75-16,232.70-3,801.75

Finding the Fourth Proportional to 10,821.75, 16,232.70 and 3,801.75

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Solution

The fourth proportional to 10,821.75, 16,232.70 and 3,801.75 is: 5,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.75 : 16,232.70 = 3,801.75 : x
  2. Step 2: Convert to fraction form
    10,821.75/16,232.70 = 3,801.75/x
  3. Step 3: Cross multiply
    10,821.75x = 16,232.70 × 3,801.75
  4. Step 4: Simplify right side
    10,821.75x = 61,712,667.23
  5. Step 5: Solve for x
    x = 61,712,667.23/10,821.75
  6. Step 6: Final answer
    x = 5,702.65

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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.