Home / 21,638.96-32,451.84-11,245.04

Finding the Fourth Proportional to 21,638.96, 32,451.84 and 11,245.04

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Solution

The fourth proportional to 21,638.96, 32,451.84 and 11,245.04 is: 16,864.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,638.96 : 32,451.84 = 11,245.04 : x
  2. Step 2: Convert to fraction form
    21,638.96/32,451.84 = 11,245.04/x
  3. Step 3: Cross multiply
    21,638.96x = 32,451.84 × 11,245.04
  4. Step 4: Simplify right side
    21,638.96x = 364,922,238.87
  5. Step 5: Solve for x
    x = 364,922,238.87/21,638.96
  6. Step 6: Final answer
    x = 16,864.13

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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.