Home / 12,635.28-18,951.57-3,876.30

Finding the Fourth Proportional to 12,635.28, 18,951.57 and 3,876.30

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Solution

The fourth proportional to 12,635.28, 18,951.57 and 3,876.30 is: 5,814.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.28 : 18,951.57 = 3,876.30 : x
  2. Step 2: Convert to fraction form
    12,635.28/18,951.57 = 3,876.30/x
  3. Step 3: Cross multiply
    12,635.28x = 18,951.57 × 3,876.30
  4. Step 4: Simplify right side
    12,635.28x = 73,461,970.79
  5. Step 5: Solve for x
    x = 73,461,970.79/12,635.28
  6. Step 6: Final answer
    x = 5,814.04

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1.5x scale

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.