Home / 13,811.83-20,611.57-13,732.95

Finding the Fourth Proportional to 13,811.83, 20,611.57 and 13,732.95

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Solution

The fourth proportional to 13,811.83, 20,611.57 and 13,732.95 is: 20,493.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,811.83 : 20,611.57 = 13,732.95 : x
  2. Step 2: Convert to fraction form
    13,811.83/20,611.57 = 13,732.95/x
  3. Step 3: Cross multiply
    13,811.83x = 20,611.57 × 13,732.95
  4. Step 4: Simplify right side
    13,811.83x = 283,057,660.23
  5. Step 5: Solve for x
    x = 283,057,660.23/13,811.83
  6. Step 6: Final answer
    x = 20,493.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.