Home / 21,481.14-29,643.96-12,052.74

Finding the Fourth Proportional to 21,481.14, 29,643.96 and 12,052.74

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Solution

The fourth proportional to 21,481.14, 29,643.96 and 12,052.74 is: 16,632.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481.14 : 29,643.96 = 12,052.74 : x
  2. Step 2: Convert to fraction form
    21,481.14/29,643.96 = 12,052.74/x
  3. Step 3: Cross multiply
    21,481.14x = 29,643.96 × 12,052.74
  4. Step 4: Simplify right side
    21,481.14x = 357,290,942.45
  5. Step 5: Solve for x
    x = 357,290,942.45/21,481.14
  6. Step 6: Final answer
    x = 16,632.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.