Home / 10,251.34-15,379.80-3,325.84

Finding the Fourth Proportional to 10,251.34, 15,379.80 and 3,325.84

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Solution

The fourth proportional to 10,251.34, 15,379.80 and 3,325.84 is: 4,989.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.34 : 15,379.80 = 3,325.84 : x
  2. Step 2: Convert to fraction form
    10,251.34/15,379.80 = 3,325.84/x
  3. Step 3: Cross multiply
    10,251.34x = 15,379.80 × 3,325.84
  4. Step 4: Simplify right side
    10,251.34x = 51,150,754.03
  5. Step 5: Solve for x
    x = 51,150,754.03/10,251.34
  6. Step 6: Final answer
    x = 4,989.67

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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.