Home / 10,315.32-15,464.34-4,163.64

Finding the Fourth Proportional to 10,315.32, 15,464.34 and 4,163.64

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Solution

The fourth proportional to 10,315.32, 15,464.34 and 4,163.64 is: 6,241.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.32 : 15,464.34 = 4,163.64 : x
  2. Step 2: Convert to fraction form
    10,315.32/15,464.34 = 4,163.64/x
  3. Step 3: Cross multiply
    10,315.32x = 15,464.34 × 4,163.64
  4. Step 4: Simplify right side
    10,315.32x = 64,387,944.60
  5. Step 5: Solve for x
    x = 64,387,944.60/10,315.32
  6. Step 6: Final answer
    x = 6,241.97

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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.