Home / 12,619.08-18,892.98-6,682.50

Finding the Fourth Proportional to 12,619.08, 18,892.98 and 6,682.50

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Solution

The fourth proportional to 12,619.08, 18,892.98 and 6,682.50 is: 10,004.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619.08 : 18,892.98 = 6,682.50 : x
  2. Step 2: Convert to fraction form
    12,619.08/18,892.98 = 6,682.50/x
  3. Step 3: Cross multiply
    12,619.08x = 18,892.98 × 6,682.50
  4. Step 4: Simplify right side
    12,619.08x = 126,252,338.85
  5. Step 5: Solve for x
    x = 126,252,338.85/12,619.08
  6. Step 6: Final answer
    x = 10,004.88

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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.