Home / 18,704.94-25,815.21-10,748.72

Finding the Fourth Proportional to 18,704.94, 25,815.21 and 10,748.72

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Solution

The fourth proportional to 18,704.94, 25,815.21 and 10,748.72 is: 14,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704.94 : 25,815.21 = 10,748.72 : x
  2. Step 2: Convert to fraction form
    18,704.94/25,815.21 = 10,748.72/x
  3. Step 3: Cross multiply
    18,704.94x = 25,815.21 × 10,748.72
  4. Step 4: Simplify right side
    18,704.94x = 277,480,334.96
  5. Step 5: Solve for x
    x = 277,480,334.96/18,704.94
  6. Step 6: Final answer
    x = 14,834.60

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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.