Home / 20,371.91-30,557.86-7,233.50

Finding the Fourth Proportional to 20,371.91, 30,557.86 and 7,233.50

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Solution

The fourth proportional to 20,371.91, 30,557.86 and 7,233.50 is: 10,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,371.91 : 30,557.86 = 7,233.50 : x
  2. Step 2: Convert to fraction form
    20,371.91/30,557.86 = 7,233.50/x
  3. Step 3: Cross multiply
    20,371.91x = 30,557.86 × 7,233.50
  4. Step 4: Simplify right side
    20,371.91x = 221,040,338.62
  5. Step 5: Solve for x
    x = 221,040,338.62/20,371.91
  6. Step 6: Final answer
    x = 10,850.25

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Similar ratio
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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.