Home / 10,836.72-16,252.62-3,439.80

Finding the Fourth Proportional to 10,836.72, 16,252.62 and 3,439.80

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Solution

The fourth proportional to 10,836.72, 16,252.62 and 3,439.80 is: 5,158.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,836.72 : 16,252.62 = 3,439.80 : x
  2. Step 2: Convert to fraction form
    10,836.72/16,252.62 = 3,439.80/x
  3. Step 3: Cross multiply
    10,836.72x = 16,252.62 × 3,439.80
  4. Step 4: Simplify right side
    10,836.72x = 55,905,762.28
  5. Step 5: Solve for x
    x = 55,905,762.28/10,836.72
  6. Step 6: Final answer
    x = 5,158.92

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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.