Home / 10,393.64-15,589.99-3,819.34

Finding the Fourth Proportional to 10,393.64, 15,589.99 and 3,819.34

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Solution

The fourth proportional to 10,393.64, 15,589.99 and 3,819.34 is: 5,728.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.64 : 15,589.99 = 3,819.34 : x
  2. Step 2: Convert to fraction form
    10,393.64/15,589.99 = 3,819.34/x
  3. Step 3: Cross multiply
    10,393.64x = 15,589.99 × 3,819.34
  4. Step 4: Simplify right side
    10,393.64x = 59,543,472.41
  5. Step 5: Solve for x
    x = 59,543,472.41/10,393.64
  6. Step 6: Final answer
    x = 5,728.84

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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.