Home / 21,523.04-29,704.58-12,091.59

Finding the Fourth Proportional to 21,523.04, 29,704.58 and 12,091.59

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Solution

The fourth proportional to 21,523.04, 29,704.58 and 12,091.59 is: 16,687.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523.04 : 29,704.58 = 12,091.59 : x
  2. Step 2: Convert to fraction form
    21,523.04/29,704.58 = 12,091.59/x
  3. Step 3: Cross multiply
    21,523.04x = 29,704.58 × 12,091.59
  4. Step 4: Simplify right side
    21,523.04x = 359,175,542.02
  5. Step 5: Solve for x
    x = 359,175,542.02/21,523.04
  6. Step 6: Final answer
    x = 16,687.96

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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.