Home / 10,486.14-15,724.35-3,910.56

Finding the Fourth Proportional to 10,486.14, 15,724.35 and 3,910.56

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Solution

The fourth proportional to 10,486.14, 15,724.35 and 3,910.56 is: 5,864.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,486.14 : 15,724.35 = 3,910.56 : x
  2. Step 2: Convert to fraction form
    10,486.14/15,724.35 = 3,910.56/x
  3. Step 3: Cross multiply
    10,486.14x = 15,724.35 × 3,910.56
  4. Step 4: Simplify right side
    10,486.14x = 61,491,014.14
  5. Step 5: Solve for x
    x = 61,491,014.14/10,486.14
  6. Step 6: Final answer
    x = 5,864.03

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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.