Home / 13,558.19-20,336.69-3,697.47

Finding the Fourth Proportional to 13,558.19, 20,336.69 and 3,697.47

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Solution

The fourth proportional to 13,558.19, 20,336.69 and 3,697.47 is: 5,546.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.19 : 20,336.69 = 3,697.47 : x
  2. Step 2: Convert to fraction form
    13,558.19/20,336.69 = 3,697.47/x
  3. Step 3: Cross multiply
    13,558.19x = 20,336.69 × 3,697.47
  4. Step 4: Simplify right side
    13,558.19x = 75,194,282.69
  5. Step 5: Solve for x
    x = 75,194,282.69/13,558.19
  6. Step 6: Final answer
    x = 5,546.04

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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.