Home / 10,636.28-15,956.72-3,240.54

Finding the Fourth Proportional to 10,636.28, 15,956.72 and 3,240.54

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Solution

The fourth proportional to 10,636.28, 15,956.72 and 3,240.54 is: 4,861.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,636.28 : 15,956.72 = 3,240.54 : x
  2. Step 2: Convert to fraction form
    10,636.28/15,956.72 = 3,240.54/x
  3. Step 3: Cross multiply
    10,636.28x = 15,956.72 × 3,240.54
  4. Step 4: Simplify right side
    10,636.28x = 51,708,373.23
  5. Step 5: Solve for x
    x = 51,708,373.23/10,636.28
  6. Step 6: Final answer
    x = 4,861.51

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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.