Home / 12,546.09-18,819.03-3,186.08

Finding the Fourth Proportional to 12,546.09, 18,819.03 and 3,186.08

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Solution

The fourth proportional to 12,546.09, 18,819.03 and 3,186.08 is: 4,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.09 : 18,819.03 = 3,186.08 : x
  2. Step 2: Convert to fraction form
    12,546.09/18,819.03 = 3,186.08/x
  3. Step 3: Cross multiply
    12,546.09x = 18,819.03 × 3,186.08
  4. Step 4: Simplify right side
    12,546.09x = 59,959,029.38
  5. Step 5: Solve for x
    x = 59,959,029.38/12,546.09
  6. Step 6: Final answer
    x = 4,779.10

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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.