Home / 10,396.59-15,600.29-3,378.75

Finding the Fourth Proportional to 10,396.59, 15,600.29 and 3,378.75

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Solution

The fourth proportional to 10,396.59, 15,600.29 and 3,378.75 is: 5,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396.59 : 15,600.29 = 3,378.75 : x
  2. Step 2: Convert to fraction form
    10,396.59/15,600.29 = 3,378.75/x
  3. Step 3: Cross multiply
    10,396.59x = 15,600.29 × 3,378.75
  4. Step 4: Simplify right side
    10,396.59x = 52,709,462.94
  5. Step 5: Solve for x
    x = 52,709,462.94/10,396.59
  6. Step 6: Final answer
    x = 5,069.88

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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.