Home / 19,072.76-28,620.07-7,386.89

Finding the Fourth Proportional to 19,072.76, 28,620.07 and 7,386.89

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Solution

The fourth proportional to 19,072.76, 28,620.07 and 7,386.89 is: 11,084.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072.76 : 28,620.07 = 7,386.89 : x
  2. Step 2: Convert to fraction form
    19,072.76/28,620.07 = 7,386.89/x
  3. Step 3: Cross multiply
    19,072.76x = 28,620.07 × 7,386.89
  4. Step 4: Simplify right side
    19,072.76x = 211,413,147.31
  5. Step 5: Solve for x
    x = 211,413,147.31/19,072.76
  6. Step 6: Final answer
    x = 11,084.56

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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.