Home / 13,468.39-20,180.30-6,885.52

Finding the Fourth Proportional to 13,468.39, 20,180.30 and 6,885.52

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Solution

The fourth proportional to 13,468.39, 20,180.30 and 6,885.52 is: 10,316.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468.39 : 20,180.30 = 6,885.52 : x
  2. Step 2: Convert to fraction form
    13,468.39/20,180.30 = 6,885.52/x
  3. Step 3: Cross multiply
    13,468.39x = 20,180.30 × 6,885.52
  4. Step 4: Simplify right side
    13,468.39x = 138,951,758.35
  5. Step 5: Solve for x
    x = 138,951,758.35/13,468.39
  6. Step 6: Final answer
    x = 10,316.88

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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.