Home / 13,748.52-20,624.58-3,887.58

Finding the Fourth Proportional to 13,748.52, 20,624.58 and 3,887.58

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Solution

The fourth proportional to 13,748.52, 20,624.58 and 3,887.58 is: 5,831.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.52 : 20,624.58 = 3,887.58 : x
  2. Step 2: Convert to fraction form
    13,748.52/20,624.58 = 3,887.58/x
  3. Step 3: Cross multiply
    13,748.52x = 20,624.58 × 3,887.58
  4. Step 4: Simplify right side
    13,748.52x = 80,179,704.72
  5. Step 5: Solve for x
    x = 80,179,704.72/13,748.52
  6. Step 6: Final answer
    x = 5,831.88

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1.5x scale

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.