Home / 13,189.44-19,650.94-12,562.50

Finding the Fourth Proportional to 13,189.44, 19,650.94 and 12,562.50

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Solution

The fourth proportional to 13,189.44, 19,650.94 and 12,562.50 is: 18,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189.44 : 19,650.94 = 12,562.50 : x
  2. Step 2: Convert to fraction form
    13,189.44/19,650.94 = 12,562.50/x
  3. Step 3: Cross multiply
    13,189.44x = 19,650.94 × 12,562.50
  4. Step 4: Simplify right side
    13,189.44x = 246,864,933.75
  5. Step 5: Solve for x
    x = 246,864,933.75/13,189.44
  6. Step 6: Final answer
    x = 18,716.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.