Home / 12,546.32-18,819.96-6,383.12

Finding the Fourth Proportional to 12,546.32, 18,819.96 and 6,383.12

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Solution

The fourth proportional to 12,546.32, 18,819.96 and 6,383.12 is: 9,574.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.32 : 18,819.96 = 6,383.12 : x
  2. Step 2: Convert to fraction form
    12,546.32/18,819.96 = 6,383.12/x
  3. Step 3: Cross multiply
    12,546.32x = 18,819.96 × 6,383.12
  4. Step 4: Simplify right side
    12,546.32x = 120,130,063.08
  5. Step 5: Solve for x
    x = 120,130,063.08/12,546.32
  6. Step 6: Final answer
    x = 9,574.92

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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.