Home / 10,392.12-15,592.20-3,822.84

Finding the Fourth Proportional to 10,392.12, 15,592.20 and 3,822.84

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Solution

The fourth proportional to 10,392.12, 15,592.20 and 3,822.84 is: 5,735.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.12 : 15,592.20 = 3,822.84 : x
  2. Step 2: Convert to fraction form
    10,392.12/15,592.20 = 3,822.84/x
  3. Step 3: Cross multiply
    10,392.12x = 15,592.20 × 3,822.84
  4. Step 4: Simplify right side
    10,392.12x = 59,606,485.85
  5. Step 5: Solve for x
    x = 59,606,485.85/10,392.12
  6. Step 6: Final answer
    x = 5,735.74

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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.