Home / 12,039.14-18,014.94-9,939.62

Finding the Fourth Proportional to 12,039.14, 18,014.94 and 9,939.62

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Solution

The fourth proportional to 12,039.14, 18,014.94 and 9,939.62 is: 14,873.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.14 : 18,014.94 = 9,939.62 : x
  2. Step 2: Convert to fraction form
    12,039.14/18,014.94 = 9,939.62/x
  3. Step 3: Cross multiply
    12,039.14x = 18,014.94 × 9,939.62
  4. Step 4: Simplify right side
    12,039.14x = 179,061,657.92
  5. Step 5: Solve for x
    x = 179,061,657.92/12,039.14
  6. Step 6: Final answer
    x = 14,873.29

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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.