Home / 12,579.96-18,884.52-6,747.96

Finding the Fourth Proportional to 12,579.96, 18,884.52 and 6,747.96

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Solution

The fourth proportional to 12,579.96, 18,884.52 and 6,747.96 is: 10,129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,579.96 : 18,884.52 = 6,747.96 : x
  2. Step 2: Convert to fraction form
    12,579.96/18,884.52 = 6,747.96/x
  3. Step 3: Cross multiply
    12,579.96x = 18,884.52 × 6,747.96
  4. Step 4: Simplify right side
    12,579.96x = 127,431,985.58
  5. Step 5: Solve for x
    x = 127,431,985.58/12,579.96
  6. Step 6: Final answer
    x = 10,129.76

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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.