Home / 13,530.52-20,286.72-5,630.96

Finding the Fourth Proportional to 13,530.52, 20,286.72 and 5,630.96

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Solution

The fourth proportional to 13,530.52, 20,286.72 and 5,630.96 is: 8,442.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530.52 : 20,286.72 = 5,630.96 : x
  2. Step 2: Convert to fraction form
    13,530.52/20,286.72 = 5,630.96/x
  3. Step 3: Cross multiply
    13,530.52x = 20,286.72 × 5,630.96
  4. Step 4: Simplify right side
    13,530.52x = 114,233,708.85
  5. Step 5: Solve for x
    x = 114,233,708.85/13,530.52
  6. Step 6: Final answer
    x = 8,442.67

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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.