Home / 14,172.62-21,249.32-7,936.92

Finding the Fourth Proportional to 14,172.62, 21,249.32 and 7,936.92

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Solution

The fourth proportional to 14,172.62, 21,249.32 and 7,936.92 is: 11,900.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.62 : 21,249.32 = 7,936.92 : x
  2. Step 2: Convert to fraction form
    14,172.62/21,249.32 = 7,936.92/x
  3. Step 3: Cross multiply
    14,172.62x = 21,249.32 × 7,936.92
  4. Step 4: Simplify right side
    14,172.62x = 168,654,152.89
  5. Step 5: Solve for x
    x = 168,654,152.89/14,172.62
  6. Step 6: Final answer
    x = 11,900.00

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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.