Home / 12,546.48-18,815.78-4,540.22

Finding the Fourth Proportional to 12,546.48, 18,815.78 and 4,540.22

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Solution

The fourth proportional to 12,546.48, 18,815.78 and 4,540.22 is: 6,808.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.48 : 18,815.78 = 4,540.22 : x
  2. Step 2: Convert to fraction form
    12,546.48/18,815.78 = 4,540.22/x
  3. Step 3: Cross multiply
    12,546.48x = 18,815.78 × 4,540.22
  4. Step 4: Simplify right side
    12,546.48x = 85,427,663.89
  5. Step 5: Solve for x
    x = 85,427,663.89/12,546.48
  6. Step 6: Final answer
    x = 6,808.89

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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.