Home / 18,704.88-28,063.17-5,557.32

Finding the Fourth Proportional to 18,704.88, 28,063.17 and 5,557.32

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Solution

The fourth proportional to 18,704.88, 28,063.17 and 5,557.32 is: 8,337.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704.88 : 28,063.17 = 5,557.32 : x
  2. Step 2: Convert to fraction form
    18,704.88/28,063.17 = 5,557.32/x
  3. Step 3: Cross multiply
    18,704.88x = 28,063.17 × 5,557.32
  4. Step 4: Simplify right side
    18,704.88x = 155,956,015.90
  5. Step 5: Solve for x
    x = 155,956,015.90/18,704.88
  6. Step 6: Final answer
    x = 8,337.72

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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.