Home / 18,704.61-28,059.75-5,555.34

Finding the Fourth Proportional to 18,704.61, 28,059.75 and 5,555.34

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Solution

The fourth proportional to 18,704.61, 28,059.75 and 5,555.34 is: 8,333.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704.61 : 28,059.75 = 5,555.34 : x
  2. Step 2: Convert to fraction form
    18,704.61/28,059.75 = 5,555.34/x
  3. Step 3: Cross multiply
    18,704.61x = 28,059.75 × 5,555.34
  4. Step 4: Simplify right side
    18,704.61x = 155,881,451.57
  5. Step 5: Solve for x
    x = 155,881,451.57/18,704.61
  6. Step 6: Final answer
    x = 8,333.85

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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.