Home / 12,780.87-19,173.24-4,014.96

Finding the Fourth Proportional to 12,780.87, 19,173.24 and 4,014.96

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Solution

The fourth proportional to 12,780.87, 19,173.24 and 4,014.96 is: 6,023.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,780.87 : 19,173.24 = 4,014.96 : x
  2. Step 2: Convert to fraction form
    12,780.87/19,173.24 = 4,014.96/x
  3. Step 3: Cross multiply
    12,780.87x = 19,173.24 × 4,014.96
  4. Step 4: Simplify right side
    12,780.87x = 76,979,791.67
  5. Step 5: Solve for x
    x = 76,979,791.67/12,780.87
  6. Step 6: Final answer
    x = 6,023.05

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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.