Home / 12,410.86-18,619.32-6,173.80

Finding the Fourth Proportional to 12,410.86, 18,619.32 and 6,173.80

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Solution

The fourth proportional to 12,410.86, 18,619.32 and 6,173.80 is: 9,262.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410.86 : 18,619.32 = 6,173.80 : x
  2. Step 2: Convert to fraction form
    12,410.86/18,619.32 = 6,173.80/x
  3. Step 3: Cross multiply
    12,410.86x = 18,619.32 × 6,173.80
  4. Step 4: Simplify right side
    12,410.86x = 114,951,957.82
  5. Step 5: Solve for x
    x = 114,951,957.82/12,410.86
  6. Step 6: Final answer
    x = 9,262.21

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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.