Home / 18,704.62-25,811.57-10,206.53

Finding the Fourth Proportional to 18,704.62, 25,811.57 and 10,206.53

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Solution

The fourth proportional to 18,704.62, 25,811.57 and 10,206.53 is: 14,084.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704.62 : 25,811.57 = 10,206.53 : x
  2. Step 2: Convert to fraction form
    18,704.62/25,811.57 = 10,206.53/x
  3. Step 3: Cross multiply
    18,704.62x = 25,811.57 × 10,206.53
  4. Step 4: Simplify right side
    18,704.62x = 263,446,477.45
  5. Step 5: Solve for x
    x = 263,446,477.45/18,704.62
  6. Step 6: Final answer
    x = 14,084.57

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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.