Home / 10,436.21-15,645.04-3,860.85

Finding the Fourth Proportional to 10,436.21, 15,645.04 and 3,860.85

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Solution

The fourth proportional to 10,436.21, 15,645.04 and 3,860.85 is: 5,787.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.21 : 15,645.04 = 3,860.85 : x
  2. Step 2: Convert to fraction form
    10,436.21/15,645.04 = 3,860.85/x
  3. Step 3: Cross multiply
    10,436.21x = 15,645.04 × 3,860.85
  4. Step 4: Simplify right side
    10,436.21x = 60,403,152.68
  5. Step 5: Solve for x
    x = 60,403,152.68/10,436.21
  6. Step 6: Final answer
    x = 5,787.84

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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.