Home / 18,701.20-27,969.18-16,635.70

Finding the Fourth Proportional to 18,701.20, 27,969.18 and 16,635.70

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Solution

The fourth proportional to 18,701.20, 27,969.18 and 16,635.70 is: 24,880.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.20 : 27,969.18 = 16,635.70 : x
  2. Step 2: Convert to fraction form
    18,701.20/27,969.18 = 16,635.70/x
  3. Step 3: Cross multiply
    18,701.20x = 27,969.18 × 16,635.70
  4. Step 4: Simplify right side
    18,701.20x = 465,286,887.73
  5. Step 5: Solve for x
    x = 465,286,887.73/18,701.20
  6. Step 6: Final answer
    x = 24,880.06

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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.