Home / 18,733.54-28,072.50-7,626.64

Finding the Fourth Proportional to 18,733.54, 28,072.50 and 7,626.64

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Solution

The fourth proportional to 18,733.54, 28,072.50 and 7,626.64 is: 11,428.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.54 : 28,072.50 = 7,626.64 : x
  2. Step 2: Convert to fraction form
    18,733.54/28,072.50 = 7,626.64/x
  3. Step 3: Cross multiply
    18,733.54x = 28,072.50 × 7,626.64
  4. Step 4: Simplify right side
    18,733.54x = 214,098,851.40
  5. Step 5: Solve for x
    x = 214,098,851.40/18,733.54
  6. Step 6: Final answer
    x = 11,428.64

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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.