Home / 14,198.96-21,267.43-11,705.78

Finding the Fourth Proportional to 14,198.96, 21,267.43 and 11,705.78

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Solution

The fourth proportional to 14,198.96, 21,267.43 and 11,705.78 is: 17,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,198.96 : 21,267.43 = 11,705.78 : x
  2. Step 2: Convert to fraction form
    14,198.96/21,267.43 = 11,705.78/x
  3. Step 3: Cross multiply
    14,198.96x = 21,267.43 × 11,705.78
  4. Step 4: Simplify right side
    14,198.96x = 248,951,880.65
  5. Step 5: Solve for x
    x = 248,951,880.65/14,198.96
  6. Step 6: Final answer
    x = 17,533.10

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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.