Home / 10,408.18-15,595.88-3,825.32

Finding the Fourth Proportional to 10,408.18, 15,595.88 and 3,825.32

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Solution

The fourth proportional to 10,408.18, 15,595.88 and 3,825.32 is: 5,731.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.18 : 15,595.88 = 3,825.32 : x
  2. Step 2: Convert to fraction form
    10,408.18/15,595.88 = 3,825.32/x
  3. Step 3: Cross multiply
    10,408.18x = 15,595.88 × 3,825.32
  4. Step 4: Simplify right side
    10,408.18x = 59,659,231.68
  5. Step 5: Solve for x
    x = 59,659,231.68/10,408.18
  6. Step 6: Final answer
    x = 5,731.96

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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.