Home / 20,147.82-30,227.40-7,001.52

Finding the Fourth Proportional to 20,147.82, 30,227.40 and 7,001.52

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Solution

The fourth proportional to 20,147.82, 30,227.40 and 7,001.52 is: 10,504.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,147.82 : 30,227.40 = 7,001.52 : x
  2. Step 2: Convert to fraction form
    20,147.82/30,227.40 = 7,001.52/x
  3. Step 3: Cross multiply
    20,147.82x = 30,227.40 × 7,001.52
  4. Step 4: Simplify right side
    20,147.82x = 211,637,745.65
  5. Step 5: Solve for x
    x = 211,637,745.65/20,147.82
  6. Step 6: Final answer
    x = 10,504.25

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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.