Home / 20,089.70-27,718.17-11,704.58

Finding the Fourth Proportional to 20,089.70, 27,718.17 and 11,704.58

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Solution

The fourth proportional to 20,089.70, 27,718.17 and 11,704.58 is: 16,149.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,089.70 : 27,718.17 = 11,704.58 : x
  2. Step 2: Convert to fraction form
    20,089.70/27,718.17 = 11,704.58/x
  3. Step 3: Cross multiply
    20,089.70x = 27,718.17 × 11,704.58
  4. Step 4: Simplify right side
    20,089.70x = 324,429,538.22
  5. Step 5: Solve for x
    x = 324,429,538.22/20,089.70
  6. Step 6: Final answer
    x = 16,149.05

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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.