Home / 13,546.53-20,319.80-5,749.88

Finding the Fourth Proportional to 13,546.53, 20,319.80 and 5,749.88

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Solution

The fourth proportional to 13,546.53, 20,319.80 and 5,749.88 is: 8,624.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.53 : 20,319.80 = 5,749.88 : x
  2. Step 2: Convert to fraction form
    13,546.53/20,319.80 = 5,749.88/x
  3. Step 3: Cross multiply
    13,546.53x = 20,319.80 × 5,749.88
  4. Step 4: Simplify right side
    13,546.53x = 116,836,281.28
  5. Step 5: Solve for x
    x = 116,836,281.28/13,546.53
  6. Step 6: Final answer
    x = 8,624.81

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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.