Home / 18,704.28-25,811.93-10,206.41

Finding the Fourth Proportional to 18,704.28, 25,811.93 and 10,206.41

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Solution

The fourth proportional to 18,704.28, 25,811.93 and 10,206.41 is: 14,084.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704.28 : 25,811.93 = 10,206.41 : x
  2. Step 2: Convert to fraction form
    18,704.28/25,811.93 = 10,206.41/x
  3. Step 3: Cross multiply
    18,704.28x = 25,811.93 × 10,206.41
  4. Step 4: Simplify right side
    18,704.28x = 263,447,036.93
  5. Step 5: Solve for x
    x = 263,447,036.93/18,704.28
  6. Step 6: Final answer
    x = 14,084.85

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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.