Home / 12,676.54-19,014.84-5,180.10

Finding the Fourth Proportional to 12,676.54, 19,014.84 and 5,180.10

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Solution

The fourth proportional to 12,676.54, 19,014.84 and 5,180.10 is: 7,770.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676.54 : 19,014.84 = 5,180.10 : x
  2. Step 2: Convert to fraction form
    12,676.54/19,014.84 = 5,180.10/x
  3. Step 3: Cross multiply
    12,676.54x = 19,014.84 × 5,180.10
  4. Step 4: Simplify right side
    12,676.54x = 98,498,772.68
  5. Step 5: Solve for x
    x = 98,498,772.68/12,676.54
  6. Step 6: Final answer
    x = 7,770.16

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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.