Home / 20,371.26-30,560.49-7,231.26

Finding the Fourth Proportional to 20,371.26, 30,560.49 and 7,231.26

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Solution

The fourth proportional to 20,371.26, 30,560.49 and 7,231.26 is: 10,848.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,371.26 : 30,560.49 = 7,231.26 : x
  2. Step 2: Convert to fraction form
    20,371.26/30,560.49 = 7,231.26/x
  3. Step 3: Cross multiply
    20,371.26x = 30,560.49 × 7,231.26
  4. Step 4: Simplify right side
    20,371.26x = 220,990,848.92
  5. Step 5: Solve for x
    x = 220,990,848.92/20,371.26
  6. Step 6: Final answer
    x = 10,848.17

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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.