Home / 13,453.08-20,179.64-4,685.88

Finding the Fourth Proportional to 13,453.08, 20,179.64 and 4,685.88

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Solution

The fourth proportional to 13,453.08, 20,179.64 and 4,685.88 is: 7,028.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.08 : 20,179.64 = 4,685.88 : x
  2. Step 2: Convert to fraction form
    13,453.08/20,179.64 = 4,685.88/x
  3. Step 3: Cross multiply
    13,453.08x = 20,179.64 × 4,685.88
  4. Step 4: Simplify right side
    13,453.08x = 94,559,371.48
  5. Step 5: Solve for x
    x = 94,559,371.48/13,453.08
  6. Step 6: Final answer
    x = 7,028.83

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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.