Home / 10,110.32-15,156.84-3,958.64

Finding the Fourth Proportional to 10,110.32, 15,156.84 and 3,958.64

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Solution

The fourth proportional to 10,110.32, 15,156.84 and 3,958.64 is: 5,934.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,110.32 : 15,156.84 = 3,958.64 : x
  2. Step 2: Convert to fraction form
    10,110.32/15,156.84 = 3,958.64/x
  3. Step 3: Cross multiply
    10,110.32x = 15,156.84 × 3,958.64
  4. Step 4: Simplify right side
    10,110.32x = 60,000,473.10
  5. Step 5: Solve for x
    x = 60,000,473.10/10,110.32
  6. Step 6: Final answer
    x = 5,934.58

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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.